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Clarify mk_fn_sig signature.

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Giving the item type a name `T` avoids duplication.
This commit is contained in:
Nicholas Nethercote 2023-02-16 11:55:23 +11:00
parent bcf0ec0191
commit 28184e7491
1 changed files with 4 additions and 3 deletions
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7
compiler/rustc_middle/src/ty/context.rs
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@ -2210,16 +2210,17 @@ impl<'tcx> TyCtxt<'tcx> {
if ts.is_empty() { List::empty() } else { self._intern_bound_variable_kinds(ts) } if ts.is_empty() { List::empty() } else { self._intern_bound_variable_kinds(ts) }
} }
pub fn mk_fn_sig<I>( pub fn mk_fn_sig<I, T>(
self, self,
inputs: I, inputs: I,
output: I::Item, output: I::Item,
c_variadic: bool, c_variadic: bool,
unsafety: hir::Unsafety, unsafety: hir::Unsafety,
abi: abi::Abi, abi: abi::Abi,
) -> <I::Item as InternIteratorElement<Ty<'tcx>, ty::FnSig<'tcx>>>::Output ) -> T::Output
where where
I: Iterator<Item: InternIteratorElement<Ty<'tcx>, ty::FnSig<'tcx>>>, I: Iterator<Item = T>,
T: InternIteratorElement<Ty<'tcx>, ty::FnSig<'tcx>>,
{ {
inputs.chain(iter::once(output)).intern_with(|xs| ty::FnSig { inputs.chain(iter::once(output)).intern_with(|xs| ty::FnSig {
inputs_and_output: self.intern_type_list(xs), inputs_and_output: self.intern_type_list(xs),