Struct rustc_const_eval::transform::check_consts::ops::FnCallUnstable

pub struct FnCallUnstable(pub DefId, pub Option<Symbol>);

A call to an #[unstable] const fn or #[rustc_const_unstable] function.

Contains the name of the feature that would allow the use of this function.

Tuple Fields

0: DefId

1: Option<Symbol>

Trait Implementations

impl Debug for FnCallUnstable

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

Formats the value using the given formatter.

impl<'tcx> NonConstOp<'tcx> for FnCallUnstable

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

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

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: 12 bytes