v/examples/compiletime/compile-time-for.v

struct App {}

fn (mut app App) method_one() {}
fn (mut app App) method_two() int {	return 0 }
fn (mut app App) method_three(s string) string { return s }

fn main() {
	$for method in App.methods {
		$if method.Type is fn(string) string {
			println('$method.name IS `fn(string) string`')
		} $else {
			println('$method.name is NOT `fn(string) string`')
		}
		$if method.ReturnType !is int {
			println('$method.name does NOT return `int`')
		} $else {
			println('$method.name DOES return `int`')
		}
		$if method.args[0].Type !is string {
			println("${method.name}'s first arg is NOT `string`")
		} $else {
			println("${method.name}'s first arg IS `string`")
		}
		// TODO: Double inversion, should this even be allowed?
		$if method.Type is fn() {
			println('$method.name IS a void method')
		} $else {
			println('$method.name is NOT a void method')
		}
		println('')
	}
}