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AliasWonderland
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Adds initial aliases.

This commit is contained in:
Edward Maliniak 2022-08-13 11:25:40 +02:00
parent f2ba9a5766
commit 2a590586d1
4 changed files with 85 additions and 4 deletions
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4
Package.swift
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@ -9,7 +9,9 @@ let package = Package(
// Products define the executables and libraries a package produces, and make them visible to other packages.
.library(
name: "AliasWonderland",
targets: ["AliasWonderland"]),
type: .dynamic,
targets: ["AliasWonderland"]
),
],
dependencies: [
// Dependencies declare other packages that this package depends on.

3
Sources/AliasWonderland/AliasWonderland.swift
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@ -1,3 +0,0 @@
/// Asynchronus function returning some value.
public typealias AsyncProducer<T> = () async -> T

40
Sources/AliasWonderland/ClosuresAliases.swift Normal file
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@ -0,0 +1,40 @@
// MARK: - Closure
/*:
Alias for function type. Makes signatures of higher order functions more managable.
*/
public typealias Closure<I, O> = (I) -> O
public typealias Closure2I<I1,I2, O> = (I1, I2) -> O
public typealias Closure3I<I1,I2,I3, O> = (I1, I2, I3) -> O
public typealias Closure4I<I1,I2,I3,I4, O> = (I1, I2, I3, I4) -> O
public typealias Closure5I<I1,I2,I3,I4,I5, O> = (I1, I2, I3, I4, I5) -> O
public typealias Closure6I<I1,I2,I3,I4,I5,I6, O> = (I1, I2, I3, I4, I5, I6) -> O
public typealias Closure7I<I1,I2,I3,I4,I5,I6,I7, O> = (I1, I2, I3, I4, I5, I6, I7) -> O
public typealias Closure8I<I1,I2,I3,I4,I5,I6,I7, I8, O> = (I1, I2, I3, I4, I5, I6, I7, I8) -> O
// MARK: - Producer Closures
/*:
# Producers
Functions that can return an instacne of some type.
*/
public typealias Producer<T> = Closure<SideEffect, T>
// MARK: Async
public typealias AsyncClosure<I, O> = (I) async -> O
public typealias AsyncClosure2I<I1,I2, O> = (I1, I2) async -> O
public typealias AsyncClosure3I<I1,I2,I3, O> = (I1, I2, I3) async -> O
public typealias AsyncClosure4I<I1,I2,I3,I4, O> = (I1, I2, I3, I4) async -> O
public typealias AsyncClosure5I<I1,I2,I3,I4,I5, O> = (I1, I2, I3, I4, I5) async -> O
public typealias AsyncClosure6I<I1,I2,I3,I4,I5,I6, O> = (I1, I2, I3, I4, I5, I6) async -> O
public typealias AsyncClosure7I<I1,I2,I3,I4,I5,I6,I7, O> = (I1, I2, I3, I4, I5, I6, I7) async -> O
public typealias AsyncClosure8I<I1,I2,I3,I4,I5,I6,I7, I8, O> = (I1, I2, I3, I4, I5, I6, I7, I8) async -> O
/// Asynchronus function returning some value.
public typealias AsyncProducer<T> = AsyncClosure<SideEffect, T>

42
Sources/AliasWonderland/SideEffectAliases.swift Normal file
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@ -0,0 +1,42 @@
import Foundation
/*:
# What is a side effect?
Each time you run some code for "change of the world" not for the returned value you
are dealing with a side effect (sometimes functions do both). Good examples are:
- printing to a console
- making a network request
- change the state of some object (eg. change of background color)
Each function in Swift returns a value. Sometime this value is `Void` which signals
that this function was run for some sort of side effect.
*/
public typealias SideEffect = Void
public typealias SideEffectClosure = () -> SideEffect
// MARK: - Consumers Closures
/*:
# What is a consumer?
It's a function that takes some input and performs `SideEffect`.
Typicaly you can find them as many `handlers`.
*/
public typealias Consumer<I> = (I) -> SideEffect
public typealias Consumer2I<I1,I2> = (I1, I2) -> SideEffect
public typealias Consumer3I<I1,I2,I3> = (I1, I2, I3) -> SideEffect
public typealias Consumer4I<I1,I2,I3,I4> = (I1, I2, I3, I4) -> SideEffect
public typealias Consumer5I<I1,I2,I3,I4,I5> = (I1, I2, I3, I4, I5) -> SideEffect
public typealias Consumer6I<I1,I2,I3,I4,I5,I6> = (I1, I2, I3, I4, I5, I6) -> SideEffect
public typealias Consumer7I<I1,I2,I3,I4,I5,I6,I7> = (I1, I2, I3, I4, I5, I6, I7) -> SideEffect
public typealias Consumer8I<I1,I2,I3,I4,I5,I6,I7, I8> = (I1, I2, I3, I4, I5, I6, I7, I8) -> SideEffect