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Implement .use keyword as an alias of clone

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Santiago Pastorino 2024-10-02 16:35:37 -03:00
parent 0cf8dbc96c
commit 05c516446a
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GPG key ID: 8131A24E0C79EFAF
36 changed files with 247 additions and 24 deletions
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2
compiler/rustc_ty_utils/messages.ftl
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@ -14,6 +14,8 @@ ty_utils_borrow_not_supported = borrowing is not supported in generic constants
ty_utils_box_not_supported = allocations are not allowed in generic constants
ty_utils_by_use_not_supported = .use is not allowed in generic constants
ty_utils_closure_and_return_not_supported = closures and function keywords are not supported in generic constants
ty_utils_const_block_not_supported = const blocks are not supported in generic constants

5
compiler/rustc_ty_utils/src/consts.rs
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@ -230,7 +230,9 @@ fn recurse_build<'tcx>(
error(GenericConstantTooComplexSub::LoopNotSupported(node.span))?
}
ExprKind::Box { .. } => error(GenericConstantTooComplexSub::BoxNotSupported(node.span))?,
ExprKind::ByUse { .. } => {
error(GenericConstantTooComplexSub::ByUseNotSupported(node.span))?
}
ExprKind::Unary { .. } => unreachable!(),
// we handle valid unary/binary ops above
ExprKind::Binary { .. } => {
@ -317,6 +319,7 @@ impl<'a, 'tcx> IsThirPolymorphic<'a, 'tcx> {
| thir::ExprKind::Box { .. }
| thir::ExprKind::If { .. }
| thir::ExprKind::Call { .. }
| thir::ExprKind::ByUse { .. }
| thir::ExprKind::Deref { .. }
| thir::ExprKind::Binary { .. }
| thir::ExprKind::LogicalOp { .. }

2
compiler/rustc_ty_utils/src/errors.rs
View file

@ -55,6 +55,8 @@ pub(crate) enum GenericConstantTooComplexSub {
BoxNotSupported(#[primary_span] Span),
#[label(ty_utils_binary_not_supported)]
BinaryNotSupported(#[primary_span] Span),
#[label(ty_utils_by_use_not_supported)]
ByUseNotSupported(#[primary_span] Span),
#[label(ty_utils_logical_op_not_supported)]
LogicalOpNotSupported(#[primary_span] Span),
#[label(ty_utils_assign_not_supported)]