shithub: mc

ref: 8b02fdb9b37563413e3574840b88c02db1e53a00
dir: /test/stdopt-mk.myr/

View raw version 
use std

const f = {x
	if x == 123
		-> `std.Some 42
	else
		-> `std.None
	;;
}

const main = {
	var v
	
	v = f(123)
	match v
	| `std.Some x:	std.exit(x)
	| `std.None:	std.exit(123)
	;;
}