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Optional Subscripts

License: MITTests

All equality expressions in this document return true:

import OptionalSubscripts
var📦:Any?
📦 =nil
📦 =[]
📦 =[:]📦[]="👋"try📦[]=="👋"📦["one"]=1try📦["one"]==1📦["one",2]=2try📦["one",2]==2📦["one",10]=niltry📦["one"]as[Int?]==[nil,nil,2]📦["one",2]=["three":4]try📦["one",2,"three"]==4try📦[\.["one"][2]["three"]]==4📦["one",2]=nil📦["one"]==nil📦["one","two"]=nil📦[]==nil

The package includes Any?.Store actor with routed streams, publishers, batch updates and atomic transactions:

leto=Any?.Store()letstream=await o.stream("me",2,"you").filter(String.self).prefix(3)Task{varhearts:[String]=[]forawaitoin stream {
hearts.append(o)}
hearts ==["❤️","💛","💚"]}await o.set("me",2,"you", to:"❤️")await o.set("me",2, to:["you":"💛"])await o.set("me", to:[nil,nil,["you":"💚"]])

The package also includes Any?.Pond actor that turns a chunky data source (like a document-oriented database) into routed data streams of arbitrary granularity:

letdb=SomeDatabase() // conforms to Geyser protocol and streams entire documents
letpond=Any?.Pond(source: db)await db.store.set("v/2.0/way/to","my","heart", to:"🤍")varhearts=""loop:forawaitheartin pond.stream("way","to","my","heart").filter(String?.self){ // observing a nested field in a versioned document ↑
hearts += heart ??""switch heart {casenilwhere hearts.isEmpty:await db.store.set("v/1.0/way/to","my","heart", to:"❤️")case"❤️":await db.store.set("v/1.0/way/to","my","heart", to:"💛")case"💛":await db.store.set("v/1.0/way/to","my","heart", to:"💚")case"💚":await db.setVersion(to:"v/2.0/")case"🤍":break loop
default:assertionFailure()}}
hearts =="❤️💛💚🤍"await pond.gushSources["v/1.0/way/to"]?.referenceCount ==nilawait pond.gushSources["v/2.0/way/to"]?.referenceCount ==1

... where:

protocolGeyser{associatedtypeGushID:HashableassociatedtypeGushes:AsyncSequencewhere Gushes.Element ==Any?associatedtypeGushToRouteMapping:AsyncSequencewhere GushToRouteMapping.Element ==(id:GushID, route:Optional<Any>.Route)?func stream(_ gush:GushID)async->Gushesfunc source<Route>(of route:Route)async->GushToRouteMappingwhere Route:Collection, Route.Index ==Int, Route.Element ==Optional<Any>.Location}

And a bunch of other (hopefully) useful new API.

(Decent documentation and an overall statement of purpose is forthcoming 😜)

About

Any? extensions with routed streams, publishers, batch updates and atomic transactions

Resources

Readme
Activity
Custom properties

Stars

3 stars

Watchers

1 watching

Forks

0 forks
Report repository

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
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(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
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btn.textContent = 'Copy';
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;';
btn.onmouseover = function() { this.style.opacity = '1'; };
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navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
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codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
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observer.observe(document.body, { childList: true, subtree: true });
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} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
GitHub - thousandyears/OptionalSubscripts: Any? extensions with routed streams, publishers, batch updates and atomic transactions · GitHub
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Optional Subscripts
License: MITTests
All equality expressions in this document return true:
import OptionalSubscripts
var📦:Any?
📦 =nil
📦 =[]
📦 =[:]📦[]="👋"try📦[]=="👋"📦["one"]=1try📦["one"]==1📦["one",2]=2try📦["one",2]==2📦["one",10]=niltry📦["one"]as[Int?]==[nil,nil,2]📦["one",2]=["three":4]try📦["one",2,"three"]==4try📦[\.["one"][2]["three"]]==4📦["one",2]=nil📦["one"]==nil📦["one","two"]=nil📦[]==nil
The package includes Any?.Store actor with routed streams, publishers, batch updates and atomic transactions:
leto=Any?.Store()letstream=await o.stream("me",2,"you").filter(String.self).prefix(3)Task{varhearts:[String]=[]forawaitoin stream {
hearts.append(o)}
hearts ==["❤️","💛","💚"]}await o.set("me",2,"you", to:"❤️")await o.set("me",2, to:["you":"💛"])await o.set("me", to:[nil,nil,["you":"💚"]])
The package also includes Any?.Pond actor that turns a chunky data source (like a document-oriented database) into routed data streams of arbitrary granularity:
letdb=SomeDatabase() // conforms to Geyser protocol and streams entire documents
letpond=Any?.Pond(source: db)await db.store.set("v/2.0/way/to","my","heart", to:"🤍")varhearts=""loop:forawaitheartin pond.stream("way","to","my","heart").filter(String?.self){ // observing a nested field in a versioned document ↑
hearts += heart ??""switch heart {casenilwhere hearts.isEmpty:await db.store.set("v/1.0/way/to","my","heart", to:"❤️")case"❤️":await db.store.set("v/1.0/way/to","my","heart", to:"💛")case"💛":await db.store.set("v/1.0/way/to","my","heart", to:"💚")case"💚":await db.setVersion(to:"v/2.0/")case"🤍":break loop
default:assertionFailure()}}
hearts =="❤️💛💚🤍"await pond.gushSources["v/1.0/way/to"]?.referenceCount ==nilawait pond.gushSources["v/2.0/way/to"]?.referenceCount ==1
... where:
protocolGeyser{associatedtypeGushID:HashableassociatedtypeGushes:AsyncSequencewhere Gushes.Element ==Any?associatedtypeGushToRouteMapping:AsyncSequencewhere GushToRouteMapping.Element ==(id:GushID, route:Optional<Any>.Route)?func stream(_ gush:GushID)async->Gushesfunc source<Route>(of route:Route)async->GushToRouteMappingwhere Route:Collection, Route.Index ==Int, Route.Element ==Optional<Any>.Location}
And a bunch of other (hopefully) useful new API.
(Decent documentation and an overall statement of purpose is forthcoming 😜)
About
Any? extensions with routed streams, publishers, batch updates and atomic transactions
Resources
Readme
Activity
Custom properties
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - thousandyears/OptionalSubscripts: Any? extensions with routed streams, publishers, batch updates and atomic transactions · GitHub
Skip to content
BranchesTags
Repository files navigation
Optional Subscripts
License: MITTests
All equality expressions in this document return true:
import OptionalSubscripts
var📦:Any?
📦 =nil
📦 =[]
📦 =[:]📦[]="👋"try📦[]=="👋"📦["one"]=1try📦["one"]==1📦["one",2]=2try📦["one",2]==2📦["one",10]=niltry📦["one"]as[Int?]==[nil,nil,2]📦["one",2]=["three":4]try📦["one",2,"three"]==4try📦[\.["one"][2]["three"]]==4📦["one",2]=nil📦["one"]==nil📦["one","two"]=nil📦[]==nil
The package includes Any?.Store actor with routed streams, publishers, batch updates and atomic transactions:
leto=Any?.Store()letstream=await o.stream("me",2,"you").filter(String.self).prefix(3)Task{varhearts:[String]=[]forawaitoin stream {
hearts.append(o)}
hearts ==["❤️","💛","💚"]}await o.set("me",2,"you", to:"❤️")await o.set("me",2, to:["you":"💛"])await o.set("me", to:[nil,nil,["you":"💚"]])
The package also includes Any?.Pond actor that turns a chunky data source (like a document-oriented database) into routed data streams of arbitrary granularity:
letdb=SomeDatabase() // conforms to Geyser protocol and streams entire documents
letpond=Any?.Pond(source: db)await db.store.set("v/2.0/way/to","my","heart", to:"🤍")varhearts=""loop:forawaitheartin pond.stream("way","to","my","heart").filter(String?.self){ // observing a nested field in a versioned document ↑
hearts += heart ??""switch heart {casenilwhere hearts.isEmpty:await db.store.set("v/1.0/way/to","my","heart", to:"❤️")case"❤️":await db.store.set("v/1.0/way/to","my","heart", to:"💛")case"💛":await db.store.set("v/1.0/way/to","my","heart", to:"💚")case"💚":await db.setVersion(to:"v/2.0/")case"🤍":break loop
default:assertionFailure()}}
hearts =="❤️💛💚🤍"await pond.gushSources["v/1.0/way/to"]?.referenceCount ==nilawait pond.gushSources["v/2.0/way/to"]?.referenceCount ==1
... where:
protocolGeyser{associatedtypeGushID:HashableassociatedtypeGushes:AsyncSequencewhere Gushes.Element ==Any?associatedtypeGushToRouteMapping:AsyncSequencewhere GushToRouteMapping.Element ==(id:GushID, route:Optional<Any>.Route)?func stream(_ gush:GushID)async->Gushesfunc source<Route>(of route:Route)async->GushToRouteMappingwhere Route:Collection, Route.Index ==Int, Route.Element ==Optional<Any>.Location}
And a bunch of other (hopefully) useful new API.
(Decent documentation and an overall statement of purpose is forthcoming 😜)
About
Any? extensions with routed streams, publishers, batch updates and atomic transactions
Resources
Readme
Activity
Custom properties
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
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if (i % 2 === 0) {
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span.className = 'userscript-highlight';
span.textContent = part;
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});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
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highlight(document.body);
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mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
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});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - thousandyears/OptionalSubscripts: Any? extensions with routed streams, publishers, batch updates and atomic transactions · GitHub
Skip to content
BranchesTags
Repository files navigation
Optional Subscripts
License: MITTests
All equality expressions in this document return true:
import OptionalSubscripts
var📦:Any?
📦 =nil
📦 =[]
📦 =[:]📦[]="👋"try📦[]=="👋"📦["one"]=1try📦["one"]==1📦["one",2]=2try📦["one",2]==2📦["one",10]=niltry📦["one"]as[Int?]==[nil,nil,2]📦["one",2]=["three":4]try📦["one",2,"three"]==4try📦[\.["one"][2]["three"]]==4📦["one",2]=nil📦["one"]==nil📦["one","two"]=nil📦[]==nil
The package includes Any?.Store actor with routed streams, publishers, batch updates and atomic transactions:
leto=Any?.Store()letstream=await o.stream("me",2,"you").filter(String.self).prefix(3)Task{varhearts:[String]=[]forawaitoin stream {
hearts.append(o)}
hearts ==["❤️","💛","💚"]}await o.set("me",2,"you", to:"❤️")await o.set("me",2, to:["you":"💛"])await o.set("me", to:[nil,nil,["you":"💚"]])
The package also includes Any?.Pond actor that turns a chunky data source (like a document-oriented database) into routed data streams of arbitrary granularity:
letdb=SomeDatabase() // conforms to Geyser protocol and streams entire documents
letpond=Any?.Pond(source: db)await db.store.set("v/2.0/way/to","my","heart", to:"🤍")varhearts=""loop:forawaitheartin pond.stream("way","to","my","heart").filter(String?.self){ // observing a nested field in a versioned document ↑
hearts += heart ??""switch heart {casenilwhere hearts.isEmpty:await db.store.set("v/1.0/way/to","my","heart", to:"❤️")case"❤️":await db.store.set("v/1.0/way/to","my","heart", to:"💛")case"💛":await db.store.set("v/1.0/way/to","my","heart", to:"💚")case"💚":await db.setVersion(to:"v/2.0/")case"🤍":break loop
default:assertionFailure()}}
hearts =="❤️💛💚🤍"await pond.gushSources["v/1.0/way/to"]?.referenceCount ==nilawait pond.gushSources["v/2.0/way/to"]?.referenceCount ==1
... where:
protocolGeyser{associatedtypeGushID:HashableassociatedtypeGushes:AsyncSequencewhere Gushes.Element ==Any?associatedtypeGushToRouteMapping:AsyncSequencewhere GushToRouteMapping.Element ==(id:GushID, route:Optional<Any>.Route)?func stream(_ gush:GushID)async->Gushesfunc source<Route>(of route:Route)async->GushToRouteMappingwhere Route:Collection, Route.Index ==Int, Route.Element ==Optional<Any>.Location}
And a bunch of other (hopefully) useful new API.
(Decent documentation and an overall statement of purpose is forthcoming 😜)
About
Any? extensions with routed streams, publishers, batch updates and atomic transactions
Resources
Readme
Activity
Custom properties
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
GitHub - thousandyears/OptionalSubscripts: Any? extensions with routed streams, publishers, batch updates and atomic transactions · GitHub
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BranchesTags
Repository files navigation
Optional Subscripts
License: MITTests
All equality expressions in this document return true:
import OptionalSubscripts
var📦:Any?
📦 =nil
📦 =[]
📦 =[:]📦[]="👋"try📦[]=="👋"📦["one"]=1try📦["one"]==1📦["one",2]=2try📦["one",2]==2📦["one",10]=niltry📦["one"]as[Int?]==[nil,nil,2]📦["one",2]=["three":4]try📦["one",2,"three"]==4try📦[\.["one"][2]["three"]]==4📦["one",2]=nil📦["one"]==nil📦["one","two"]=nil📦[]==nil
The package includes Any?.Store actor with routed streams, publishers, batch updates and atomic transactions:
leto=Any?.Store()letstream=await o.stream("me",2,"you").filter(String.self).prefix(3)Task{varhearts:[String]=[]forawaitoin stream {
hearts.append(o)}
hearts ==["❤️","💛","💚"]}await o.set("me",2,"you", to:"❤️")await o.set("me",2, to:["you":"💛"])await o.set("me", to:[nil,nil,["you":"💚"]])
The package also includes Any?.Pond actor that turns a chunky data source (like a document-oriented database) into routed data streams of arbitrary granularity:
letdb=SomeDatabase() // conforms to Geyser protocol and streams entire documents
letpond=Any?.Pond(source: db)await db.store.set("v/2.0/way/to","my","heart", to:"🤍")varhearts=""loop:forawaitheartin pond.stream("way","to","my","heart").filter(String?.self){ // observing a nested field in a versioned document ↑
hearts += heart ??""switch heart {casenilwhere hearts.isEmpty:await db.store.set("v/1.0/way/to","my","heart", to:"❤️")case"❤️":await db.store.set("v/1.0/way/to","my","heart", to:"💛")case"💛":await db.store.set("v/1.0/way/to","my","heart", to:"💚")case"💚":await db.setVersion(to:"v/2.0/")case"🤍":break loop
default:assertionFailure()}}
hearts =="❤️💛💚🤍"await pond.gushSources["v/1.0/way/to"]?.referenceCount ==nilawait pond.gushSources["v/2.0/way/to"]?.referenceCount ==1
... where:
protocolGeyser{associatedtypeGushID:HashableassociatedtypeGushes:AsyncSequencewhere Gushes.Element ==Any?associatedtypeGushToRouteMapping:AsyncSequencewhere GushToRouteMapping.Element ==(id:GushID, route:Optional<Any>.Route)?func stream(_ gush:GushID)async->Gushesfunc source<Route>(of route:Route)async->GushToRouteMappingwhere Route:Collection, Route.Index ==Int, Route.Element ==Optional<Any>.Location}
And a bunch of other (hopefully) useful new API.
(Decent documentation and an overall statement of purpose is forthcoming 😜)
About
Any? extensions with routed streams, publishers, batch updates and atomic transactions
Resources
Readme
Activity
Custom properties
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
GitHub - thousandyears/OptionalSubscripts: Any? extensions with routed streams, publishers, batch updates and atomic transactions · GitHub
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BranchesTags
Repository files navigation
Optional Subscripts
License: MITTests
All equality expressions in this document return true:
import OptionalSubscripts
var📦:Any?
📦 =nil
📦 =[]
📦 =[:]📦[]="👋"try📦[]=="👋"📦["one"]=1try📦["one"]==1📦["one",2]=2try📦["one",2]==2📦["one",10]=niltry📦["one"]as[Int?]==[nil,nil,2]📦["one",2]=["three":4]try📦["one",2,"three"]==4try📦[\.["one"][2]["three"]]==4📦["one",2]=nil📦["one"]==nil📦["one","two"]=nil📦[]==nil
The package includes Any?.Store actor with routed streams, publishers, batch updates and atomic transactions:
leto=Any?.Store()letstream=await o.stream("me",2,"you").filter(String.self).prefix(3)Task{varhearts:[String]=[]forawaitoin stream {
hearts.append(o)}
hearts ==["❤️","💛","💚"]}await o.set("me",2,"you", to:"❤️")await o.set("me",2, to:["you":"💛"])await o.set("me", to:[nil,nil,["you":"💚"]])
The package also includes Any?.Pond actor that turns a chunky data source (like a document-oriented database) into routed data streams of arbitrary granularity:
letdb=SomeDatabase() // conforms to Geyser protocol and streams entire documents
letpond=Any?.Pond(source: db)await db.store.set("v/2.0/way/to","my","heart", to:"🤍")varhearts=""loop:forawaitheartin pond.stream("way","to","my","heart").filter(String?.self){ // observing a nested field in a versioned document ↑
hearts += heart ??""switch heart {casenilwhere hearts.isEmpty:await db.store.set("v/1.0/way/to","my","heart", to:"❤️")case"❤️":await db.store.set("v/1.0/way/to","my","heart", to:"💛")case"💛":await db.store.set("v/1.0/way/to","my","heart", to:"💚")case"💚":await db.setVersion(to:"v/2.0/")case"🤍":break loop
default:assertionFailure()}}
hearts =="❤️💛💚🤍"await pond.gushSources["v/1.0/way/to"]?.referenceCount ==nilawait pond.gushSources["v/2.0/way/to"]?.referenceCount ==1
... where:
protocolGeyser{associatedtypeGushID:HashableassociatedtypeGushes:AsyncSequencewhere Gushes.Element ==Any?associatedtypeGushToRouteMapping:AsyncSequencewhere GushToRouteMapping.Element ==(id:GushID, route:Optional<Any>.Route)?func stream(_ gush:GushID)async->Gushesfunc source<Route>(of route:Route)async->GushToRouteMappingwhere Route:Collection, Route.Index ==Int, Route.Element ==Optional<Any>.Location}
And a bunch of other (hopefully) useful new API.
(Decent documentation and an overall statement of purpose is forthcoming 😜)
About
Any? extensions with routed streams, publishers, batch updates and atomic transactions
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, 'i');
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function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
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observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
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} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
})();
GitHub - thousandyears/OptionalSubscripts: Any? extensions with routed streams, publishers, batch updates and atomic transactions · GitHub
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Optional Subscripts
License: MITTests
All equality expressions in this document return true:
import OptionalSubscripts
var📦:Any?
📦 =nil
📦 =[]
📦 =[:]📦[]="👋"try📦[]=="👋"📦["one"]=1try📦["one"]==1📦["one",2]=2try📦["one",2]==2📦["one",10]=niltry📦["one"]as[Int?]==[nil,nil,2]📦["one",2]=["three":4]try📦["one",2,"three"]==4try📦[\.["one"][2]["three"]]==4📦["one",2]=nil📦["one"]==nil📦["one","two"]=nil📦[]==nil
The package includes Any?.Store actor with routed streams, publishers, batch updates and atomic transactions:
leto=Any?.Store()letstream=await o.stream("me",2,"you").filter(String.self).prefix(3)Task{varhearts:[String]=[]forawaitoin stream {
hearts.append(o)}
hearts ==["❤️","💛","💚"]}await o.set("me",2,"you", to:"❤️")await o.set("me",2, to:["you":"💛"])await o.set("me", to:[nil,nil,["you":"💚"]])
The package also includes Any?.Pond actor that turns a chunky data source (like a document-oriented database) into routed data streams of arbitrary granularity:
letdb=SomeDatabase() // conforms to Geyser protocol and streams entire documents
letpond=Any?.Pond(source: db)await db.store.set("v/2.0/way/to","my","heart", to:"🤍")varhearts=""loop:forawaitheartin pond.stream("way","to","my","heart").filter(String?.self){ // observing a nested field in a versioned document ↑
hearts += heart ??""switch heart {casenilwhere hearts.isEmpty:await db.store.set("v/1.0/way/to","my","heart", to:"❤️")case"❤️":await db.store.set("v/1.0/way/to","my","heart", to:"💛")case"💛":await db.store.set("v/1.0/way/to","my","heart", to:"💚")case"💚":await db.setVersion(to:"v/2.0/")case"🤍":break loop
default:assertionFailure()}}
hearts =="❤️💛💚🤍"await pond.gushSources["v/1.0/way/to"]?.referenceCount ==nilawait pond.gushSources["v/2.0/way/to"]?.referenceCount ==1
... where:
protocolGeyser{associatedtypeGushID:HashableassociatedtypeGushes:AsyncSequencewhere Gushes.Element ==Any?associatedtypeGushToRouteMapping:AsyncSequencewhere GushToRouteMapping.Element ==(id:GushID, route:Optional<Any>.Route)?func stream(_ gush:GushID)async->Gushesfunc source<Route>(of route:Route)async->GushToRouteMappingwhere Route:Collection, Route.Index ==Int, Route.Element ==Optional<Any>.Location}
And a bunch of other (hopefully) useful new API.
(Decent documentation and an overall statement of purpose is forthcoming 😜)
About
Any? extensions with routed streams, publishers, batch updates and atomic transactions
Resources
Readme
Activity
Custom properties
Stars
3 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages