Function rustc_trait_selection::traits::const_evaluatable::is_const_evaluatable

pub fn is_const_evaluatable<'cx, 'tcx>(
    infcx: &InferCtxt<'cx, 'tcx>,
    uv: Unevaluated<'tcx, ()>,
    param_env: ParamEnv<'tcx>,
    span: Span
) -> Result<(), NotConstEvaluatable>

Check if a given constant can be evaluated.