Function rustc_mir::monomorphize::partitioning::characteristic_def_id_of_mono_item[][src]

fn characteristic_def_id_of_mono_item<'a, 'tcx>(
    tcx: TyCtxt<'a, 'tcx, 'tcx>,
    mono_item: MonoItem<'tcx>
) -> Option<DefId>
🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?