Void Return

Prefer -> Void over -> ()

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

Non Triggering Examples

let abc: () -> Void = {}
let abc: () -> (VoidVoid) = {}
func foo(completion: () -> Void)
let foo: (ConfigurationTests) -> () throws -> Void
let foo: (ConfigurationTests) ->   () throws -> Void
let foo: (ConfigurationTests) ->() throws -> Void
let foo: (ConfigurationTests) -> () -> Void
let foo: () -> () async -> Void
let foo: () -> () async throws -> Void
let foo: () -> () async -> Void
func foo() -> () async throws -> Void {}
func foo() async throws -> () async -> Void { return {} }
func foo() -> () async -> Int { 1 }

Triggering Examples

let abc: () -> () = {}
let abc: () -> (Void) = {}
let abc: () -> (   Void ) = {}
func foo(completion: () -> ())
func foo(completion: () -> (   ))
func foo(completion: () -> (Void))
let foo: (ConfigurationTests) -> () throws -> ()
func foo() async -> ()
func foo() async throws -> ()