rust/tests/rustdoc/macro-higher-kinded-functio...

22 lines
739 B
Rust

#![crate_name = "foo"]
pub struct TyCtxt<'tcx>(&'tcx u8);
macro_rules! gen {
($(($name:ident, $tcx:lifetime, [$k:ty], [$r:ty]))*) => {
pub struct Providers {
$(pub $name: for<$tcx> fn(TyCtxt<$tcx>, $k) -> $r,)*
}
}
}
//@ has 'foo/struct.Providers.html'
//@ has - '//*[@class="rust item-decl"]//code' "pub a: for<'tcx> fn(_: TyCtxt<'tcx>, _: u8) -> i8,"
//@ has - '//*[@class="rust item-decl"]//code' "pub b: for<'tcx> fn(_: TyCtxt<'tcx>, _: u16) -> i16,"
//@ has - '//*[@id="structfield.a"]/code' "a: for<'tcx> fn(_: TyCtxt<'tcx>, _: u8) -> i8"
//@ has - '//*[@id="structfield.b"]/code' "b: for<'tcx> fn(_: TyCtxt<'tcx>, _: u16) -> i16"
gen! {
(a, 'tcx, [u8], [i8])
(b, 'tcx, [u16], [i16])
}