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use List<Ty<'tcx>> for tuples

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This commit is contained in:
lcnr
2022-02-07 16:06:31 +01:00
parent a9c1ab82f5
commit 1245131a11
53 changed files with 128 additions and 170 deletions
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10
compiler/rustc_trait_selection/src/traits/select/confirmation.rs
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@@ -1058,9 +1058,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
// Check that the source tuple with the target's
// last element is equal to the target.
let new_tuple = tcx.mk_tup(
a_mid.iter().map(|k| k.expect_ty()).chain(iter::once(b_last.expect_ty())),
);
let new_tuple = tcx.mk_tup(a_mid.iter().copied().chain(iter::once(b_last)));
let InferOk { obligations, .. } = self
.infcx
.at(&obligation.cause, obligation.param_env)
@@ -1076,8 +1074,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
obligation.cause.clone(),
obligation.predicate.def_id(),
obligation.recursion_depth + 1,
a_last.expect_ty(),
&[b_last],
a_last,
&[b_last.into()],
)
}));
}
@@ -1140,7 +1138,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
stack.push(ty);
}
ty::Tuple(tys) => {
stack.extend(tys.iter().map(|ty| ty.expect_ty()));
stack.extend(tys.iter());
}
ty::Closure(_, substs) => {
stack.push(substs.as_closure().tupled_upvars_ty());