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

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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('')
}
}