FeatureSetFns

pub fn FeatureSetFns(comptime F: type) type {
    return struct {
        /// Populates only the feature bits specified.
        pub fn featureSet(features: []const F) Set {
            var x = Set.empty;
            for (features) |feature| {
                x.addFeature(@intFromEnum(feature));
            }
            return x;
        }

        /// Returns true if the specified feature is enabled.
        pub fn featureSetHas(set: Set, feature: F) bool {
            return set.isEnabled(@intFromEnum(feature));
        }

        /// Returns true if any specified feature is enabled.
        pub fn featureSetHasAny(set: Set, features: anytype) bool {
            inline for (features) |feature| {
                if (set.isEnabled(@intFromEnum(@as(F, feature)))) return true;
            }
            return false;
        }

        /// Returns true if every specified feature is enabled.
        pub fn featureSetHasAll(set: Set, features: anytype) bool {
            inline for (features) |feature| {
                if (!set.isEnabled(@intFromEnum(@as(F, feature)))) return false;
            }
            return true;
        }
    };
}