rustc_const_eval::const_eval

Function tag_for_variant_provider

Source
pub fn tag_for_variant_provider<'tcx>(
    tcx: TyCtxt<'tcx>,
    (ty, variant_index): (Ty<'tcx>, VariantIdx),
) -> Option<ScalarInt>
Expand description

Computes the tag (if any) for a given type and variant.