1 // Ensure that generic parameters always have modern hygiene.
4 // ignore-pretty pretty-printing is unhygienic
6 #![feature(decl_macro, rustc_attrs)]
10 fn f<$T: Clone, T: PartialEq>(t1: $T, t2: T) -> ($T, bool) {
11 (t1.clone(), t2 == t2)
15 #[rustc_macro_transparency = "semitransparent"]
17 fn g<$T: Clone>(t1: $T, t2: T) -> (T, $T) {
18 (t1.clone(), t2.clone())
20 fn h<T: Clone>(t1: $T, t2: T) -> (T, $T) {
21 (t1.clone(), t2.clone())
25 #[rustc_macro_transparency = "transparent"]
27 fn j<$T: Clone>(t1: $T, t2: T) -> (T, $T) {
28 (t1.clone(), t2.clone())
30 fn k<T: Clone>(t1: $T, t2: T) -> (T, $T) {
31 (t1.clone(), t2.clone())
41 macro m($a:lifetime) {
42 fn f<'b, 'c, $a: 'b, 'a: 'c>(t1: &$a(), t2: &'a ()) -> (&'b (), &'c ()) {
47 #[rustc_macro_transparency = "semitransparent"]
48 macro n($a:lifetime) {
49 fn g<$a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
52 fn h<'a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
57 #[rustc_macro_transparency = "transparent"]
58 macro p($a:lifetime) {
59 fn j<$a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
62 fn k<'a>(t1: &$a(), t2: &'a ()) -> (&'a (), &$a ()) {
74 fn f<const $C: usize, const C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); $C], [(); C]) {
79 #[rustc_macro_transparency = "semitransparent"]
81 fn g<const $C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
84 fn h<const C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
89 #[rustc_macro_transparency = "transparent"]
91 fn j<const $C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {
94 fn k<const C: usize>(t1: [(); $C], t2: [(); C]) -> ([(); C], [(); $C]) {