Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir_def/src/macro_expansion_tests/mbe.rs')
| -rw-r--r-- | crates/hir_def/src/macro_expansion_tests/mbe.rs | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/crates/hir_def/src/macro_expansion_tests/mbe.rs b/crates/hir_def/src/macro_expansion_tests/mbe.rs index cf62b4f588..609eac855b 100644 --- a/crates/hir_def/src/macro_expansion_tests/mbe.rs +++ b/crates/hir_def/src/macro_expansion_tests/mbe.rs @@ -1558,3 +1558,39 @@ impl Clone for D3DCONTENTPROTECTIONCAPS { "##]], ); } + +#[test] +fn test_int_base() { + check( + r#" +macro_rules! int_base { + ($Trait:ident for $T:ident as $U:ident -> $Radix:ident) => { + #[stable(feature = "rust1", since = "1.0.0")] + impl fmt::$Trait for $T { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + $Radix.fmt_int(*self as $U, f) + } + } + } +} +int_base!{Binary for isize as usize -> Binary} +"#, + expect![[r##" +macro_rules! int_base { + ($Trait:ident for $T:ident as $U:ident -> $Radix:ident) => { + #[stable(feature = "rust1", since = "1.0.0")] + impl fmt::$Trait for $T { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + $Radix.fmt_int(*self as $U, f) + } + } + } +} +#[stable(feature = "rust1", since = "1.0.0")] impl fmt::Binary for isize { + fn fmt(&self , f: &mut fmt::Formatter< '_>) -> fmt::Result { + Binary.fmt_int(*self as usize, f) + } +} +"##]], + ); +} |