Function rustc_trait_selection::traits::misc::can_type_implement_copy

pub fn can_type_implement_copy<'tcx>(
    tcx: TyCtxt<'tcx>,
    param_env: ParamEnv<'tcx>,
    self_type: Ty<'tcx>,
    parent_cause: ObligationCause<'tcx>
) -> Result<(), CopyImplementationError<'tcx>>