notsunohito / swiftf

Provides some higher-order methods for Optional.

swiftf

swiftf provides some higher-order methods for Optional.

Usage

Optional

forEach

let a: Int? = 2
let b: Int? = nil

a.forEach { print($0) } // 2
b.forEach { print($0) } // prints nothing

filter

let a: Int? = 2
let b: Int? = 3
let c: Int? = nil

a.filter { $0 % 2 == 0 } // Optional(2)
b.filter { $0 % 2 == 0 } // nil
c.filter { $0 % 2 == 0 } // nil

reduce

let name1: String? = "world"
let name2: String? = nil

let r1: String = name1.reduce("Hello") { $0 + ", " + $1} // Hello, world
let r2: String = name2.reduce("Hello") { $0 + ", " + $1} // Hello

How to Install

Embedded Framework

1. Put swiftf.xcodeproj into your project in Xcode.
2. Click the project icon and select the "General" tab.
3. Add swiftf.framework to "Embedded Binaries".
4. import swiftf in your swift files.

Put swiftf.framework into your project.

License

The MIT License