pub fn stdlib_source(library: &str) -> Option<&'static str> {
match library {
"std.io" => Some(include_str!("../stdlib/std.io.rex")),
"std.process" => Some(include_str!("../stdlib/std.process.rex")),
"std.json" => Some(include_str!("../stdlib/std.json.rex")),
_ => None,
}
}