Direct Return

Directly return the expression instead of assigning it to a variable first

• Identifier: direct_return
• Enabled by default: No
• Supports autocorrection: Yes
• Kind: style
• Analyzer rule: No
• Minimum Swift compiler version: 5.0.0
• Default configuration:

  Key	Value
  severity	warning

Non Triggering Examples

    func f() -> Int {
        let b = 2
        let a = 1
        return b
    }

    struct S {
        var a: Int {
            var b = 1
            b = 2
            return b
        }
    }

    func f() -> Int {
        let b = 2
        f()
        return b
    }

    func f() -> Int {
        { i in
            let b = 2
            return i
        }(1)
    }

Triggering Examples

    func f() -> Int {
        let ↓b = 2
        return b
    }

    struct S {
        var a: Int {
            var ↓b = 1
            // comment
            return b
        }
    }

    func f() -> Bool {
        let a = 1, ↓b = true
        return b
    }

    func f() -> Int {
        { _ in
            let ↓b = 2
            return b
        }(1)
    }

    func f(i: Int) -> Int {
        if i > 1 {
            let ↓a = 2
            return a
        } else {
            let ↓b = 2, a = 1
            return b
        }
    }