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

33 lines
879 B
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 {
$if method.typ is fn(string) string {
println('$method.name IS `fn(string) string`')
} $else {
println('$method.name is NOT `fn(string) string`')
}
$if method.return_type !is int {
println('$method.name does NOT return `int`')
} $else {
println('$method.name DOES return `int`')
}
$if method.args[0].typ !is string {
println("${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?
$if method.typ is fn() {
println('$method.name IS a void method')
} $else {
println('$method.name is NOT a void method')
}
println('')
}
}