2 #![deny(meta_variable_misuse)]
5 ($($m:ident $($f:ident $v:tt)+),*) => {
6 $($(macro_rules! $f { () => { $v } })+)*
7 $(macro_rules! $m { () => { $(fn $f() -> i32 { $v })+ } })*
11 foo!(m a 1 b 2, n c 3);
15 macro_rules! no_shadow {
16 ($x:tt) => { macro_rules! bar { ($x:tt) => { 42 }; } };
20 macro_rules! make_plus {
21 ($n: ident $x:expr) => { macro_rules! $n { ($y:expr) => { $x + $y }; } };
32 assert_eq!(bar!(z:tt), 42);
33 assert_eq!(add3!(9), 12);