Struct rustc_const_eval::transform::check_consts::ops::MutBorrow

pub struct MutBorrow(pub BorrowKind);

This op is for &mut borrows in the trailing expression of a constant which uses the “enclosing scopes rule” to leak its locals into anonymous static or const items.

Tuple Fields

0: BorrowKind

Trait Implementations

impl Debug for MutBorrow

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'tcx> NonConstOp<'tcx> for MutBorrow

fn status_in_item(&self, _ccx: &ConstCx<'_, 'tcx>) -> Status

Returns an enum indicating whether this operation is allowed within the given item.

fn importance(&self) -> DiagnosticImportance

fn build_error( &self, ccx: &ConstCx<'_, 'tcx>, span: Span ) -> DiagnosticBuilder<'tcx, ErrorGuaranteed>

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 1 byte