Which

Code.md

func foo(bar:string):none {}
foo : none = func(bar:string) {}
foo : none = { | bar : string | }
foo:none={|bar:string|}
foo(bar : string) : none
func foo(bar : string) : none
foo(bar : string) : none {}

Roughly equivalent to Python:

def foo(bar: str) -> None: pass

func foo(bar: string): none