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What is Quack?

Quack is a type-safe, multi-paradigm programming language. Quack enables you to write consistent and legible code, and run it on different platforms.

Quack is:

Type safe

You can optionally provide type annotations for your values, although it isn't really necessary because we rely on duck and gradual typing. The Quack compiler is being built to be decidable by propagation and with a strong type inference.

Multi-paradigm

Quack supports many programming paradigms, especially functional and imperative programming. Quack also supports tacit programming, immutability and determinism when possible.

Metaprogrammable and extensible

The language is metaprogrammable and very extensible. You can easily build extensions for the language and provide them as libraries with annotations. You can create operators at compile time, override current operators, match operations by type, implement inline optimizations via the own compiler and easily build DSLs over it.

Basic examples

Hello World

fnmain()doprint("Hello World!")end

Factorial

[imperative]fnfact(n)letfact:-1forifrom1tondofact:-fact * i
^ factend[tail_call_recursion]fnfact(n):-n=0then1elsen * fact(n - 1)

How does it work?

First of all, Quack compiler is, currently, entirely written in PHP, by hand. I'm doing this because I want to easily make it self-hosted and write the compiler in itself later. The front-end of the compiler is easy to extend and you can provide multiple back-ends for it. I'm writing standard libraries in the language for itself to allow interpreting it and running the compiler on desktop, on browser and interpreting it using the evaluator of any target language. Basically, when integrating Quack with your main programming language, you need to provide a set of type annotations for your libraries and for the language core. For JavaScript, I'm writing a tool that is able to convert TypeScript type definitions .d.ts for Quack type definitons .qkt, making the life easier. The initial support will be provided for PHP, Python and JavaScript. Please note that Quack is in its early stage, and in constant development. Quack also provides a REPL that you can try online here, currently generating the AST of the source.

Get Quack

REPL

To get and try Quack, the steps are simple. Clone this repository and install the src folder under /quack/quack. I promise I'll provide a better way to do it later. After, cd /quack/quack/src/repl and php QuackRepl.php --ast (you can also try with --python, but it is unstable at the moment). You will be sent to the REPL. Currently, the REPL is only compatible with POSIX systems. I'll implement support for Windows later, I promise too!

Run tests

Assert that everything is OK. There is a small set of tests that may be run.

make test module=module_name

Modules

lexerparser

Syntax Support

Vim

Quack syntax support to Vim's built-in editor quack/editor/vim/quack.vim

Contribute to Quack!

Yay! Your contribution to the Quack language core is very important! There is a lot of work to be done, and you can find it in this repository's issues! Look for the accepting-pull-requests label! Newcomers to the open-source contribution process are very welcome! Please, read the CONTRIBUTING file in this repository as well!

There are many ways to help! You can fix typos, improve code quality, suggest changes, suggest language features, be engaged on the language discussion, standardize the code, doc-comment the methods, write and run tests... The work is just starting out!

We also need to implement support of Quack for the different text editors. If you want to implement for some, contact me and I'll write the syntactic specification and the semantic of the blocks for you!

Questions or concerns? Contact me at marcelocamargo@linuxmail.org and I'll be happy to answer.

About

🐤 A multi-paradigm programming language with gradual and duck typing that targets PHP and JS

Resources

Readme
License

Code of conduct

Code of conduct

Contributing

Contributing
Activity
Custom properties

Stars

0 stars

Watchers

1 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Logo
Sponsor
SlackBuild StatusCode ClimateTest CoverageIssue CountIssue Count
What is Quack?
Quack is a type-safe, multi-paradigm programming language. Quack enables you to write consistent and legible code, and run it on different platforms.
Quack is:
Type safe
You can optionally provide type annotations for your values, although it isn't really necessary because we rely on duck and gradual typing. The Quack compiler is being built to be decidable by propagation and with a strong type inference.
Multi-paradigm
Quack supports many programming paradigms, especially functional and imperative programming. Quack also supports tacit programming, immutability and determinism when possible.
Metaprogrammable and extensible
The language is metaprogrammable and very extensible. You can easily build extensions for the language and provide them as libraries with annotations. You can create operators at compile time, override current operators, match operations by type, implement inline optimizations via the own compiler and easily build DSLs over it.
Basic examples
Hello World
fnmain()doprint("Hello World!")end
Factorial
[imperative]fnfact(n)letfact:-1forifrom1tondofact:-fact * i
^ factend[tail_call_recursion]fnfact(n):-n=0then1elsen * fact(n - 1)
How does it work?
First of all, Quack compiler is, currently, entirely written in PHP, by hand. I'm doing this because I want to easily make it self-hosted and write the compiler in itself later. The front-end of the compiler is easy to extend and you can provide multiple back-ends for it. I'm writing standard libraries in the language for itself to allow interpreting it and running the compiler on desktop, on browser and interpreting it using the evaluator of any target language. Basically, when integrating Quack with your main programming language, you need to provide a set of type annotations for your libraries and for the language core. For JavaScript, I'm writing a tool that is able to convert TypeScript type definitions .d.ts for Quack type definitons .qkt, making the life easier. The initial support will be provided for PHP, Python and JavaScript. Please note that Quack is in its early stage, and in constant development. Quack also provides a REPL that you can try online here, currently generating the AST of the source.
Get Quack
REPL
To get and try Quack, the steps are simple. Clone this repository and install the src folder under /quack/quack. I promise I'll provide a better way to do it later. After, cd /quack/quack/src/repl and php QuackRepl.php --ast (you can also try with --python, but it is unstable at the moment). You will be sent to the REPL. Currently, the REPL is only compatible with POSIX systems. I'll implement support for Windows later, I promise too!
Run tests
Assert that everything is OK. There is a small set of tests that may be run.
make test module=module_name
Modules
lexerparser
Syntax Support
Vim
Quack syntax support to Vim's built-in editor quack/editor/vim/quack.vim
Contribute to Quack!
Yay! Your contribution to the Quack language core is very important! There is a lot of work to be done, and you can find it in this repository's issues! Look for the accepting-pull-requests label! Newcomers to the open-source contribution process are very welcome! Please, read the CONTRIBUTING file in this repository as well!
There are many ways to help! You can fix typos, improve code quality, suggest changes, suggest language features, be engaged on the language discussion, standardize the code, doc-comment the methods, write and run tests... The work is just starting out!
We also need to implement support of Quack for the different text editors. If you want to implement for some, contact me and I'll write the syntactic specification and the semantic of the blocks for you!
Questions or concerns? Contact me at marcelocamargo@linuxmail.org and I'll be happy to answer.
About
🐤 A multi-paradigm programming language with gradual and duck typing that targets PHP and JS
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Custom properties
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Logo
Sponsor
SlackBuild StatusCode ClimateTest CoverageIssue CountIssue Count
What is Quack?
Quack is a type-safe, multi-paradigm programming language. Quack enables you to write consistent and legible code, and run it on different platforms.
Quack is:
Type safe
You can optionally provide type annotations for your values, although it isn't really necessary because we rely on duck and gradual typing. The Quack compiler is being built to be decidable by propagation and with a strong type inference.
Multi-paradigm
Quack supports many programming paradigms, especially functional and imperative programming. Quack also supports tacit programming, immutability and determinism when possible.
Metaprogrammable and extensible
The language is metaprogrammable and very extensible. You can easily build extensions for the language and provide them as libraries with annotations. You can create operators at compile time, override current operators, match operations by type, implement inline optimizations via the own compiler and easily build DSLs over it.
Basic examples
Hello World
fnmain()doprint("Hello World!")end
Factorial
[imperative]fnfact(n)letfact:-1forifrom1tondofact:-fact * i
^ factend[tail_call_recursion]fnfact(n):-n=0then1elsen * fact(n - 1)
How does it work?
First of all, Quack compiler is, currently, entirely written in PHP, by hand. I'm doing this because I want to easily make it self-hosted and write the compiler in itself later. The front-end of the compiler is easy to extend and you can provide multiple back-ends for it. I'm writing standard libraries in the language for itself to allow interpreting it and running the compiler on desktop, on browser and interpreting it using the evaluator of any target language. Basically, when integrating Quack with your main programming language, you need to provide a set of type annotations for your libraries and for the language core. For JavaScript, I'm writing a tool that is able to convert TypeScript type definitions .d.ts for Quack type definitons .qkt, making the life easier. The initial support will be provided for PHP, Python and JavaScript. Please note that Quack is in its early stage, and in constant development. Quack also provides a REPL that you can try online here, currently generating the AST of the source.
Get Quack
REPL
To get and try Quack, the steps are simple. Clone this repository and install the src folder under /quack/quack. I promise I'll provide a better way to do it later. After, cd /quack/quack/src/repl and php QuackRepl.php --ast (you can also try with --python, but it is unstable at the moment). You will be sent to the REPL. Currently, the REPL is only compatible with POSIX systems. I'll implement support for Windows later, I promise too!
Run tests
Assert that everything is OK. There is a small set of tests that may be run.
make test module=module_name
Modules
lexerparser
Syntax Support
Vim
Quack syntax support to Vim's built-in editor quack/editor/vim/quack.vim
Contribute to Quack!
Yay! Your contribution to the Quack language core is very important! There is a lot of work to be done, and you can find it in this repository's issues! Look for the accepting-pull-requests label! Newcomers to the open-source contribution process are very welcome! Please, read the CONTRIBUTING file in this repository as well!
There are many ways to help! You can fix typos, improve code quality, suggest changes, suggest language features, be engaged on the language discussion, standardize the code, doc-comment the methods, write and run tests... The work is just starting out!
We also need to implement support of Quack for the different text editors. If you want to implement for some, contact me and I'll write the syntactic specification and the semantic of the blocks for you!
Questions or concerns? Contact me at marcelocamargo@linuxmail.org and I'll be happy to answer.
About
🐤 A multi-paradigm programming language with gradual and duck typing that targets PHP and JS
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Custom properties
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Logo
Sponsor
SlackBuild StatusCode ClimateTest CoverageIssue CountIssue Count
What is Quack?
Quack is a type-safe, multi-paradigm programming language. Quack enables you to write consistent and legible code, and run it on different platforms.
Quack is:
Type safe
You can optionally provide type annotations for your values, although it isn't really necessary because we rely on duck and gradual typing. The Quack compiler is being built to be decidable by propagation and with a strong type inference.
Multi-paradigm
Quack supports many programming paradigms, especially functional and imperative programming. Quack also supports tacit programming, immutability and determinism when possible.
Metaprogrammable and extensible
The language is metaprogrammable and very extensible. You can easily build extensions for the language and provide them as libraries with annotations. You can create operators at compile time, override current operators, match operations by type, implement inline optimizations via the own compiler and easily build DSLs over it.
Basic examples
Hello World
fnmain()doprint("Hello World!")end
Factorial
[imperative]fnfact(n)letfact:-1forifrom1tondofact:-fact * i
^ factend[tail_call_recursion]fnfact(n):-n=0then1elsen * fact(n - 1)
How does it work?
First of all, Quack compiler is, currently, entirely written in PHP, by hand. I'm doing this because I want to easily make it self-hosted and write the compiler in itself later. The front-end of the compiler is easy to extend and you can provide multiple back-ends for it. I'm writing standard libraries in the language for itself to allow interpreting it and running the compiler on desktop, on browser and interpreting it using the evaluator of any target language. Basically, when integrating Quack with your main programming language, you need to provide a set of type annotations for your libraries and for the language core. For JavaScript, I'm writing a tool that is able to convert TypeScript type definitions .d.ts for Quack type definitons .qkt, making the life easier. The initial support will be provided for PHP, Python and JavaScript. Please note that Quack is in its early stage, and in constant development. Quack also provides a REPL that you can try online here, currently generating the AST of the source.
Get Quack
REPL
To get and try Quack, the steps are simple. Clone this repository and install the src folder under /quack/quack. I promise I'll provide a better way to do it later. After, cd /quack/quack/src/repl and php QuackRepl.php --ast (you can also try with --python, but it is unstable at the moment). You will be sent to the REPL. Currently, the REPL is only compatible with POSIX systems. I'll implement support for Windows later, I promise too!
Run tests
Assert that everything is OK. There is a small set of tests that may be run.
make test module=module_name
Modules
lexerparser
Syntax Support
Vim
Quack syntax support to Vim's built-in editor quack/editor/vim/quack.vim
Contribute to Quack!
Yay! Your contribution to the Quack language core is very important! There is a lot of work to be done, and you can find it in this repository's issues! Look for the accepting-pull-requests label! Newcomers to the open-source contribution process are very welcome! Please, read the CONTRIBUTING file in this repository as well!
There are many ways to help! You can fix typos, improve code quality, suggest changes, suggest language features, be engaged on the language discussion, standardize the code, doc-comment the methods, write and run tests... The work is just starting out!
We also need to implement support of Quack for the different text editors. If you want to implement for some, contact me and I'll write the syntactic specification and the semantic of the blocks for you!
Questions or concerns? Contact me at marcelocamargo@linuxmail.org and I'll be happy to answer.
About
🐤 A multi-paradigm programming language with gradual and duck typing that targets PHP and JS
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Custom properties
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Logo
Sponsor
SlackBuild StatusCode ClimateTest CoverageIssue CountIssue Count
What is Quack?
Quack is a type-safe, multi-paradigm programming language. Quack enables you to write consistent and legible code, and run it on different platforms.
Quack is:
Type safe
You can optionally provide type annotations for your values, although it isn't really necessary because we rely on duck and gradual typing. The Quack compiler is being built to be decidable by propagation and with a strong type inference.
Multi-paradigm
Quack supports many programming paradigms, especially functional and imperative programming. Quack also supports tacit programming, immutability and determinism when possible.
Metaprogrammable and extensible
The language is metaprogrammable and very extensible. You can easily build extensions for the language and provide them as libraries with annotations. You can create operators at compile time, override current operators, match operations by type, implement inline optimizations via the own compiler and easily build DSLs over it.
Basic examples
Hello World
fnmain()doprint("Hello World!")end
Factorial
[imperative]fnfact(n)letfact:-1forifrom1tondofact:-fact * i
^ factend[tail_call_recursion]fnfact(n):-n=0then1elsen * fact(n - 1)
How does it work?
First of all, Quack compiler is, currently, entirely written in PHP, by hand. I'm doing this because I want to easily make it self-hosted and write the compiler in itself later. The front-end of the compiler is easy to extend and you can provide multiple back-ends for it. I'm writing standard libraries in the language for itself to allow interpreting it and running the compiler on desktop, on browser and interpreting it using the evaluator of any target language. Basically, when integrating Quack with your main programming language, you need to provide a set of type annotations for your libraries and for the language core. For JavaScript, I'm writing a tool that is able to convert TypeScript type definitions .d.ts for Quack type definitons .qkt, making the life easier. The initial support will be provided for PHP, Python and JavaScript. Please note that Quack is in its early stage, and in constant development. Quack also provides a REPL that you can try online here, currently generating the AST of the source.
Get Quack
REPL
To get and try Quack, the steps are simple. Clone this repository and install the src folder under /quack/quack. I promise I'll provide a better way to do it later. After, cd /quack/quack/src/repl and php QuackRepl.php --ast (you can also try with --python, but it is unstable at the moment). You will be sent to the REPL. Currently, the REPL is only compatible with POSIX systems. I'll implement support for Windows later, I promise too!
Run tests
Assert that everything is OK. There is a small set of tests that may be run.
make test module=module_name
Modules
lexerparser
Syntax Support
Vim
Quack syntax support to Vim's built-in editor quack/editor/vim/quack.vim
Contribute to Quack!
Yay! Your contribution to the Quack language core is very important! There is a lot of work to be done, and you can find it in this repository's issues! Look for the accepting-pull-requests label! Newcomers to the open-source contribution process are very welcome! Please, read the CONTRIBUTING file in this repository as well!
There are many ways to help! You can fix typos, improve code quality, suggest changes, suggest language features, be engaged on the language discussion, standardize the code, doc-comment the methods, write and run tests... The work is just starting out!
We also need to implement support of Quack for the different text editors. If you want to implement for some, contact me and I'll write the syntactic specification and the semantic of the blocks for you!
Questions or concerns? Contact me at marcelocamargo@linuxmail.org and I'll be happy to answer.
About
🐤 A multi-paradigm programming language with gradual and duck typing that targets PHP and JS
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Custom properties
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Logo
Sponsor
SlackBuild StatusCode ClimateTest CoverageIssue CountIssue Count
What is Quack?
Quack is a type-safe, multi-paradigm programming language. Quack enables you to write consistent and legible code, and run it on different platforms.
Quack is:
Type safe
You can optionally provide type annotations for your values, although it isn't really necessary because we rely on duck and gradual typing. The Quack compiler is being built to be decidable by propagation and with a strong type inference.
Multi-paradigm
Quack supports many programming paradigms, especially functional and imperative programming. Quack also supports tacit programming, immutability and determinism when possible.
Metaprogrammable and extensible
The language is metaprogrammable and very extensible. You can easily build extensions for the language and provide them as libraries with annotations. You can create operators at compile time, override current operators, match operations by type, implement inline optimizations via the own compiler and easily build DSLs over it.
Basic examples
Hello World
fnmain()doprint("Hello World!")end
Factorial
[imperative]fnfact(n)letfact:-1forifrom1tondofact:-fact * i
^ factend[tail_call_recursion]fnfact(n):-n=0then1elsen * fact(n - 1)
How does it work?
First of all, Quack compiler is, currently, entirely written in PHP, by hand. I'm doing this because I want to easily make it self-hosted and write the compiler in itself later. The front-end of the compiler is easy to extend and you can provide multiple back-ends for it. I'm writing standard libraries in the language for itself to allow interpreting it and running the compiler on desktop, on browser and interpreting it using the evaluator of any target language. Basically, when integrating Quack with your main programming language, you need to provide a set of type annotations for your libraries and for the language core. For JavaScript, I'm writing a tool that is able to convert TypeScript type definitions .d.ts for Quack type definitons .qkt, making the life easier. The initial support will be provided for PHP, Python and JavaScript. Please note that Quack is in its early stage, and in constant development. Quack also provides a REPL that you can try online here, currently generating the AST of the source.
Get Quack
REPL
To get and try Quack, the steps are simple. Clone this repository and install the src folder under /quack/quack. I promise I'll provide a better way to do it later. After, cd /quack/quack/src/repl and php QuackRepl.php --ast (you can also try with --python, but it is unstable at the moment). You will be sent to the REPL. Currently, the REPL is only compatible with POSIX systems. I'll implement support for Windows later, I promise too!
Run tests
Assert that everything is OK. There is a small set of tests that may be run.
make test module=module_name
Modules
lexerparser
Syntax Support
Vim
Quack syntax support to Vim's built-in editor quack/editor/vim/quack.vim
Contribute to Quack!
Yay! Your contribution to the Quack language core is very important! There is a lot of work to be done, and you can find it in this repository's issues! Look for the accepting-pull-requests label! Newcomers to the open-source contribution process are very welcome! Please, read the CONTRIBUTING file in this repository as well!
There are many ways to help! You can fix typos, improve code quality, suggest changes, suggest language features, be engaged on the language discussion, standardize the code, doc-comment the methods, write and run tests... The work is just starting out!
We also need to implement support of Quack for the different text editors. If you want to implement for some, contact me and I'll write the syntactic specification and the semantic of the blocks for you!
Questions or concerns? Contact me at marcelocamargo@linuxmail.org and I'll be happy to answer.
About
🐤 A multi-paradigm programming language with gradual and duck typing that targets PHP and JS
Resources
Readme
License
Code of conduct
Code of conduct
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Contributing
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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What is Quack?
Quack is a type-safe, multi-paradigm programming language. Quack enables you to write consistent and legible code, and run it on different platforms.
Quack is:
Type safe
You can optionally provide type annotations for your values, although it isn't really necessary because we rely on duck and gradual typing. The Quack compiler is being built to be decidable by propagation and with a strong type inference.
Multi-paradigm
Quack supports many programming paradigms, especially functional and imperative programming. Quack also supports tacit programming, immutability and determinism when possible.
Metaprogrammable and extensible
The language is metaprogrammable and very extensible. You can easily build extensions for the language and provide them as libraries with annotations. You can create operators at compile time, override current operators, match operations by type, implement inline optimizations via the own compiler and easily build DSLs over it.
Basic examples
Hello World
fnmain()doprint("Hello World!")end
Factorial
[imperative]fnfact(n)letfact:-1forifrom1tondofact:-fact * i
^ factend[tail_call_recursion]fnfact(n):-n=0then1elsen * fact(n - 1)
How does it work?
First of all, Quack compiler is, currently, entirely written in PHP, by hand. I'm doing this because I want to easily make it self-hosted and write the compiler in itself later. The front-end of the compiler is easy to extend and you can provide multiple back-ends for it. I'm writing standard libraries in the language for itself to allow interpreting it and running the compiler on desktop, on browser and interpreting it using the evaluator of any target language. Basically, when integrating Quack with your main programming language, you need to provide a set of type annotations for your libraries and for the language core. For JavaScript, I'm writing a tool that is able to convert TypeScript type definitions .d.ts for Quack type definitons .qkt, making the life easier. The initial support will be provided for PHP, Python and JavaScript. Please note that Quack is in its early stage, and in constant development. Quack also provides a REPL that you can try online here, currently generating the AST of the source.
Get Quack
REPL
To get and try Quack, the steps are simple. Clone this repository and install the src folder under /quack/quack. I promise I'll provide a better way to do it later. After, cd /quack/quack/src/repl and php QuackRepl.php --ast (you can also try with --python, but it is unstable at the moment). You will be sent to the REPL. Currently, the REPL is only compatible with POSIX systems. I'll implement support for Windows later, I promise too!
Run tests
Assert that everything is OK. There is a small set of tests that may be run.
make test module=module_name
Modules
lexerparser
Syntax Support
Vim
Quack syntax support to Vim's built-in editor quack/editor/vim/quack.vim
Contribute to Quack!
Yay! Your contribution to the Quack language core is very important! There is a lot of work to be done, and you can find it in this repository's issues! Look for the accepting-pull-requests label! Newcomers to the open-source contribution process are very welcome! Please, read the CONTRIBUTING file in this repository as well!
There are many ways to help! You can fix typos, improve code quality, suggest changes, suggest language features, be engaged on the language discussion, standardize the code, doc-comment the methods, write and run tests... The work is just starting out!
We also need to implement support of Quack for the different text editors. If you want to implement for some, contact me and I'll write the syntactic specification and the semantic of the blocks for you!
Questions or concerns? Contact me at marcelocamargo@linuxmail.org and I'll be happy to answer.
About
🐤 A multi-paradigm programming language with gradual and duck typing that targets PHP and JS
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Custom properties
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
Repository files navigation
Logo
Sponsor
SlackBuild StatusCode ClimateTest CoverageIssue CountIssue Count
What is Quack?
Quack is a type-safe, multi-paradigm programming language. Quack enables you to write consistent and legible code, and run it on different platforms.
Quack is:
Type safe
You can optionally provide type annotations for your values, although it isn't really necessary because we rely on duck and gradual typing. The Quack compiler is being built to be decidable by propagation and with a strong type inference.
Multi-paradigm
Quack supports many programming paradigms, especially functional and imperative programming. Quack also supports tacit programming, immutability and determinism when possible.
Metaprogrammable and extensible
The language is metaprogrammable and very extensible. You can easily build extensions for the language and provide them as libraries with annotations. You can create operators at compile time, override current operators, match operations by type, implement inline optimizations via the own compiler and easily build DSLs over it.
Basic examples
Hello World
fnmain()doprint("Hello World!")end
Factorial
[imperative]fnfact(n)letfact:-1forifrom1tondofact:-fact * i
^ factend[tail_call_recursion]fnfact(n):-n=0then1elsen * fact(n - 1)
How does it work?
First of all, Quack compiler is, currently, entirely written in PHP, by hand. I'm doing this because I want to easily make it self-hosted and write the compiler in itself later. The front-end of the compiler is easy to extend and you can provide multiple back-ends for it. I'm writing standard libraries in the language for itself to allow interpreting it and running the compiler on desktop, on browser and interpreting it using the evaluator of any target language. Basically, when integrating Quack with your main programming language, you need to provide a set of type annotations for your libraries and for the language core. For JavaScript, I'm writing a tool that is able to convert TypeScript type definitions .d.ts for Quack type definitons .qkt, making the life easier. The initial support will be provided for PHP, Python and JavaScript. Please note that Quack is in its early stage, and in constant development. Quack also provides a REPL that you can try online here, currently generating the AST of the source.
Get Quack
REPL
To get and try Quack, the steps are simple. Clone this repository and install the src folder under /quack/quack. I promise I'll provide a better way to do it later. After, cd /quack/quack/src/repl and php QuackRepl.php --ast (you can also try with --python, but it is unstable at the moment). You will be sent to the REPL. Currently, the REPL is only compatible with POSIX systems. I'll implement support for Windows later, I promise too!
Run tests
Assert that everything is OK. There is a small set of tests that may be run.
make test module=module_name
Modules
lexerparser
Syntax Support
Vim
Quack syntax support to Vim's built-in editor quack/editor/vim/quack.vim
Contribute to Quack!
Yay! Your contribution to the Quack language core is very important! There is a lot of work to be done, and you can find it in this repository's issues! Look for the accepting-pull-requests label! Newcomers to the open-source contribution process are very welcome! Please, read the CONTRIBUTING file in this repository as well!
There are many ways to help! You can fix typos, improve code quality, suggest changes, suggest language features, be engaged on the language discussion, standardize the code, doc-comment the methods, write and run tests... The work is just starting out!
We also need to implement support of Quack for the different text editors. If you want to implement for some, contact me and I'll write the syntactic specification and the semantic of the blocks for you!
Questions or concerns? Contact me at marcelocamargo@linuxmail.org and I'll be happy to answer.
About
🐤 A multi-paradigm programming language with gradual and duck typing that targets PHP and JS
Resources
Readme
License
Code of conduct
Code of conduct
Contributing
Contributing
Activity
Custom properties
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages