tarunon

func a(_ f: @escaping () -> ()) { } func a(_ f: () -> ()) { }

Version:

swift-4.1.1-RELEASE

Output:

Error:

/usercode/main.swift:2:6: error: invalid redeclaration of 'a' func a(_ f: () -> ()) { } ^ /usercode/main.swift:1:6: note: 'a' previously declared here func a(_ f: @escaping () -> ()) { } ^