Redundant Void Return

Returning Void in a function declaration is redundant.

• Identifier: redundant_void_return
• Enabled by default: Enabled
• Supports autocorrection: Yes
• Kind: idiomatic
• Analyzer rule: No
• Minimum Swift compiler version: 3.0.0
• Default configuration: warning

Non Triggering Examples

func foo() {}

func foo() -> Int {}

func foo() -> Int -> Void {}

func foo() -> VoidResponse

let foo: (Int) -> Void

func foo() -> Int -> () {}

let foo: (Int) -> ()

func foo() -> ()?

func foo() -> ()!

func foo() -> Void?

func foo() -> Void!

struct A {
    subscript(key: String) {
        print(key)
    }
}

Triggering Examples

func foo()↓ -> Void {}

protocol Foo {
  func foo()↓ -> Void
}

func foo()↓ -> () {}

func foo()↓ -> ( ) {}

protocol Foo {
  func foo()↓ -> ()
}