Struct rustc_mir::transform::check_consts::ops::FnCallUnstable

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

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

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

Trait Implementations

impl Debug for FnCallUnstable

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

Formats the value using the given formatter.

impl NonConstOp for FnCallUnstable

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

fn status_in_item(&self, _ccx: &ConstCx<'_, '_>) -> 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 be different between compiler versions and platforms. 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