diff options
Diffstat (limited to 'compiler/rustc_type_ir/src/lib.rs')
-rw-r--r-- | compiler/rustc_type_ir/src/lib.rs | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index 5a991e03d..a3c98ae00 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -83,7 +83,7 @@ pub trait CollectAndApply<T, R>: Sized { /// Produce a result of type `Self::Output` from `iter`. The result will /// typically be produced by applying `f` on the elements produced by /// `iter`, though this may not happen in some impls, e.g. if an error - /// occured during iteration. + /// occurred during iteration. fn collect_and_apply<I, F>(iter: I, f: F) -> Self::Output where I: Iterator<Item = Self>, @@ -432,6 +432,17 @@ impl IntTy { _ => *self, } } + + pub fn to_unsigned(self) -> UintTy { + match self { + IntTy::Isize => UintTy::Usize, + IntTy::I8 => UintTy::U8, + IntTy::I16 => UintTy::U16, + IntTy::I32 => UintTy::U32, + IntTy::I64 => UintTy::U64, + IntTy::I128 => UintTy::U128, + } + } } #[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Copy, Debug)] @@ -479,6 +490,17 @@ impl UintTy { _ => *self, } } + + pub fn to_signed(self) -> IntTy { + match self { + UintTy::Usize => IntTy::Isize, + UintTy::U8 => IntTy::I8, + UintTy::U16 => IntTy::I16, + UintTy::U32 => IntTy::I32, + UintTy::U64 => IntTy::I64, + UintTy::U128 => IntTy::I128, + } + } } #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)] |