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MapK

MapK is a utility class that we implemented for Code Dx. It's like a scala.collection.immutable.Map[K, V], but where K and V are "higher-kinded" types like Option or List.

It's useful for when you have some "key" class that's parameterized on a type T, and you want to store a value of the appropriate type for each key, e.g.

importcom.codedx.util.MapKabstractclassMyKey[T](valname:String)
caseobjectAgeextendsMyKey[Int]("age")
caseobjectNameextendsMyKey[String]("name")
caseobjectNumThingsextendsMyKey[Int]("numThings")
valinfo:MapK[MyKey, cats.Id] =MapK.empty[MyKey, cats.Id]
.updated(Age, 21)
.updated(Name, "Dylan")
// alternate apply syntax:importMapK.entrySyntax._valinfo=MapK(Age~>>21, Name~>>"Dylan")
valage:Option[Int] = info.get(Age) // Some(21)valname:Option[String] = info.get(Name) // Some("Dylan")valnumThings:Option[Int] = info.get(NumThings) // None

Install

In SBT:

libraryDependencies +="com.codedx"%%"mapk"%"1.2.0"

Disregard the "packages" on the sidebar. Despite this being a public project, you still need to provide a personal access token to download the packages. Very annoying.

About

Scala Map-like class with higher-kind key and value types

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MapK
MapK is a utility class that we implemented for Code Dx. It's like a scala.collection.immutable.Map[K, V], but where K and V are "higher-kinded" types like Option or List.
It's useful for when you have some "key" class that's parameterized on a type T, and you want to store a value of the appropriate type for each key, e.g.
importcom.codedx.util.MapKabstractclassMyKey[T](valname:String)
caseobjectAgeextendsMyKey[Int]("age")
caseobjectNameextendsMyKey[String]("name")
caseobjectNumThingsextendsMyKey[Int]("numThings")
valinfo:MapK[MyKey, cats.Id] =MapK.empty[MyKey, cats.Id]
.updated(Age, 21)
.updated(Name, "Dylan")
// alternate apply syntax:importMapK.entrySyntax._valinfo=MapK(Age~>>21, Name~>>"Dylan")
valage:Option[Int] = info.get(Age) // Some(21)valname:Option[String] = info.get(Name) // Some("Dylan")valnumThings:Option[Int] = info.get(NumThings) // None
Install
In SBT:
libraryDependencies +="com.codedx"%%"mapk"%"1.2.0"
Disregard the "packages" on the sidebar. Despite this being a public project, you still need to provide a personal access token to download the packages. Very annoying.
About
Scala Map-like class with higher-kind key and value types
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Apache-2.0 license
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MapK
MapK is a utility class that we implemented for Code Dx. It's like a scala.collection.immutable.Map[K, V], but where K and V are "higher-kinded" types like Option or List.
It's useful for when you have some "key" class that's parameterized on a type T, and you want to store a value of the appropriate type for each key, e.g.
importcom.codedx.util.MapKabstractclassMyKey[T](valname:String)
caseobjectAgeextendsMyKey[Int]("age")
caseobjectNameextendsMyKey[String]("name")
caseobjectNumThingsextendsMyKey[Int]("numThings")
valinfo:MapK[MyKey, cats.Id] =MapK.empty[MyKey, cats.Id]
.updated(Age, 21)
.updated(Name, "Dylan")
// alternate apply syntax:importMapK.entrySyntax._valinfo=MapK(Age~>>21, Name~>>"Dylan")
valage:Option[Int] = info.get(Age) // Some(21)valname:Option[String] = info.get(Name) // Some("Dylan")valnumThings:Option[Int] = info.get(NumThings) // None
Install
In SBT:
libraryDependencies +="com.codedx"%%"mapk"%"1.2.0"
Disregard the "packages" on the sidebar. Despite this being a public project, you still need to provide a personal access token to download the packages. Very annoying.
About
Scala Map-like class with higher-kind key and value types
Resources
Readme
Apache-2.0 license
Activity
Custom properties
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5 stars
Watchers
1 watching
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1 fork
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Repository files navigation
MapK
MapK is a utility class that we implemented for Code Dx. It's like a scala.collection.immutable.Map[K, V], but where K and V are "higher-kinded" types like Option or List.
It's useful for when you have some "key" class that's parameterized on a type T, and you want to store a value of the appropriate type for each key, e.g.
importcom.codedx.util.MapKabstractclassMyKey[T](valname:String)
caseobjectAgeextendsMyKey[Int]("age")
caseobjectNameextendsMyKey[String]("name")
caseobjectNumThingsextendsMyKey[Int]("numThings")
valinfo:MapK[MyKey, cats.Id] =MapK.empty[MyKey, cats.Id]
.updated(Age, 21)
.updated(Name, "Dylan")
// alternate apply syntax:importMapK.entrySyntax._valinfo=MapK(Age~>>21, Name~>>"Dylan")
valage:Option[Int] = info.get(Age) // Some(21)valname:Option[String] = info.get(Name) // Some("Dylan")valnumThings:Option[Int] = info.get(NumThings) // None
Install
In SBT:
libraryDependencies +="com.codedx"%%"mapk"%"1.2.0"
Disregard the "packages" on the sidebar. Despite this being a public project, you still need to provide a personal access token to download the packages. Very annoying.
About
Scala Map-like class with higher-kind key and value types
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MapK
MapK is a utility class that we implemented for Code Dx. It's like a scala.collection.immutable.Map[K, V], but where K and V are "higher-kinded" types like Option or List.
It's useful for when you have some "key" class that's parameterized on a type T, and you want to store a value of the appropriate type for each key, e.g.
importcom.codedx.util.MapKabstractclassMyKey[T](valname:String)
caseobjectAgeextendsMyKey[Int]("age")
caseobjectNameextendsMyKey[String]("name")
caseobjectNumThingsextendsMyKey[Int]("numThings")
valinfo:MapK[MyKey, cats.Id] =MapK.empty[MyKey, cats.Id]
.updated(Age, 21)
.updated(Name, "Dylan")
// alternate apply syntax:importMapK.entrySyntax._valinfo=MapK(Age~>>21, Name~>>"Dylan")
valage:Option[Int] = info.get(Age) // Some(21)valname:Option[String] = info.get(Name) // Some("Dylan")valnumThings:Option[Int] = info.get(NumThings) // None
Install
In SBT:
libraryDependencies +="com.codedx"%%"mapk"%"1.2.0"
Disregard the "packages" on the sidebar. Despite this being a public project, you still need to provide a personal access token to download the packages. Very annoying.
About
Scala Map-like class with higher-kind key and value types
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
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Watchers
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1 fork
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Repository files navigation
MapK
MapK is a utility class that we implemented for Code Dx. It's like a scala.collection.immutable.Map[K, V], but where K and V are "higher-kinded" types like Option or List.
It's useful for when you have some "key" class that's parameterized on a type T, and you want to store a value of the appropriate type for each key, e.g.
importcom.codedx.util.MapKabstractclassMyKey[T](valname:String)
caseobjectAgeextendsMyKey[Int]("age")
caseobjectNameextendsMyKey[String]("name")
caseobjectNumThingsextendsMyKey[Int]("numThings")
valinfo:MapK[MyKey, cats.Id] =MapK.empty[MyKey, cats.Id]
.updated(Age, 21)
.updated(Name, "Dylan")
// alternate apply syntax:importMapK.entrySyntax._valinfo=MapK(Age~>>21, Name~>>"Dylan")
valage:Option[Int] = info.get(Age) // Some(21)valname:Option[String] = info.get(Name) // Some("Dylan")valnumThings:Option[Int] = info.get(NumThings) // None
Install
In SBT:
libraryDependencies +="com.codedx"%%"mapk"%"1.2.0"
Disregard the "packages" on the sidebar. Despite this being a public project, you still need to provide a personal access token to download the packages. Very annoying.
About
Scala Map-like class with higher-kind key and value types
Resources
Readme
Apache-2.0 license
Activity
Custom properties
Stars
5 stars
Watchers
1 watching
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1 fork
Report repository
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GitHub - codedx/mapk: Scala Map-like class with higher-kind key and value types · GitHub
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build.sbt
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readme.md
Repository files navigation
MapK
MapK is a utility class that we implemented for Code Dx. It's like a scala.collection.immutable.Map[K, V], but where K and V are "higher-kinded" types like Option or List.
It's useful for when you have some "key" class that's parameterized on a type T, and you want to store a value of the appropriate type for each key, e.g.
importcom.codedx.util.MapKabstractclassMyKey[T](valname:String)
caseobjectAgeextendsMyKey[Int]("age")
caseobjectNameextendsMyKey[String]("name")
caseobjectNumThingsextendsMyKey[Int]("numThings")
valinfo:MapK[MyKey, cats.Id] =MapK.empty[MyKey, cats.Id]
.updated(Age, 21)
.updated(Name, "Dylan")
// alternate apply syntax:importMapK.entrySyntax._valinfo=MapK(Age~>>21, Name~>>"Dylan")
valage:Option[Int] = info.get(Age) // Some(21)valname:Option[String] = info.get(Name) // Some("Dylan")valnumThings:Option[Int] = info.get(NumThings) // None
Install
In SBT:
libraryDependencies +="com.codedx"%%"mapk"%"1.2.0"
Disregard the "packages" on the sidebar. Despite this being a public project, you still need to provide a personal access token to download the packages. Very annoying.
About
Scala Map-like class with higher-kind key and value types
Resources
Readme
Apache-2.0 license
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}
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applyDarkMode();
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})();
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MapK
MapK is a utility class that we implemented for Code Dx. It's like a scala.collection.immutable.Map[K, V], but where K and V are "higher-kinded" types like Option or List.
It's useful for when you have some "key" class that's parameterized on a type T, and you want to store a value of the appropriate type for each key, e.g.
importcom.codedx.util.MapKabstractclassMyKey[T](valname:String)
caseobjectAgeextendsMyKey[Int]("age")
caseobjectNameextendsMyKey[String]("name")
caseobjectNumThingsextendsMyKey[Int]("numThings")
valinfo:MapK[MyKey, cats.Id] =MapK.empty[MyKey, cats.Id]
.updated(Age, 21)
.updated(Name, "Dylan")
// alternate apply syntax:importMapK.entrySyntax._valinfo=MapK(Age~>>21, Name~>>"Dylan")
valage:Option[Int] = info.get(Age) // Some(21)valname:Option[String] = info.get(Name) // Some("Dylan")valnumThings:Option[Int] = info.get(NumThings) // None
Install
In SBT:
libraryDependencies +="com.codedx"%%"mapk"%"1.2.0"
Disregard the "packages" on the sidebar. Despite this being a public project, you still need to provide a personal access token to download the packages. Very annoying.
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Scala Map-like class with higher-kind key and value types
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