Function rustc_mir::const_eval::const_to_valtree

pub(crate) fn const_to_valtree<'tcx>(
    tcx: TyCtxt<'tcx>, 
    param_env: ParamEnv<'tcx>, 
    raw: ConstAlloc<'tcx>
) -> Option<ValTree<'tcx>>

Convert an evaluated constant to a type level constant