//@check-pass

function main() = (
    noArgs();
    singleArg("hi!");
    manyArgs(1,2,3,4,5,6);

    let a: () = returnNothing();
    let b: () = returnExplicitUnit();
    let c: String = returnString();
);

function noArgs() =;
function singleArg(a: String) =;
function manyArgs(a: Int, b: Int, c: Int, d: Int, e: Int, f: Int) =;

function returnNothing() =;
function returnExplicitUnit(): () =;
function returnString(): String = "uwu";