module TypeOf {
// TYPEOF, TYPE VALUES AND IS
fn test1() {
// types have a value at runtime. to get this value, use typeof with an expression
let x1 = typeof(1);
// a type value is written ::type. a type value is a regular value that can be
// printed, compared, etc.
let x2 = ::int;
let x3 = x1 == x2; // true, e.g. typeof(1) == ::int
// to see if an expression x is a particular type, use x is type
let x4 = 1;
let x5 = x4 is int; // true, e.g. 1 is an int
}
}