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Remove unused monadic extensions

This commit is contained in:
Reda Lemeden 2015-12-02 22:38:05 +01:00
parent 01452f2484
commit 46d0a84f66
1 changed files with 1 additions and 34 deletions
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35
Source/FunctionalHelpers.swift
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@ -1,9 +1,3 @@
/// One of my favorite indian spices.
func curry<A, B, C>(f: (A, B) -> C) -> A -> B -> C {
return { a in { b in f(a, b) } }
}
// MARK: - Optional
func <^> <T, U>(@noescape f: T -> U, a: T?) -> U? {
return a.map(f)
}
@ -15,39 +9,12 @@ func >>- <T, U>(a: T?, @noescape f: T -> U?) -> U? {
return a.flatMap(f)
}
func pure<T>(a: T) -> T? {
return .Some(a)
}
extension Optional {
func apply<U>(f: (Wrapped -> U)?) -> U? {
return f.flatMap { self.map($0) }
}
}
// MARK: - Array
public func <^> <T, U>(f: T -> U, a: [T]) -> [U] {
return a.map(f)
}
public func <*> <T, U>(fs: [T -> U], a: [T]) -> [U] {
return a.apply(fs)
}
public func >>- <T, U>(a: [T], f: T -> [U]) -> [U] {
return a.flatMap(f)
}
public func -<< <T, U>(f: T -> [U], a: [T]) -> [U] {
return a.flatMap(f)
}
public func pure<T>(a: T) -> [T] {
func pure<T>(a: T) -> [T] {
return [a]
}
public extension Array {
func apply<U>(fs: [Element -> U]) -> [U] {
return fs.flatMap { self.map($0) }
}
}