feature_gate: Symbol,
) -> bool {
let attrs = tcx.get_attrs(def_id);
- attr::rustc_allow_const_fn_unstable(&tcx.sess, attrs)
- .map_or(false, |mut features| features.any(|name| name == feature_gate))
+ attr::rustc_allow_const_fn_unstable(&tcx.sess, attrs).any(|name| name == feature_gate)
}
// Returns `true` if the given `const fn` is "const-stable".