type_features.go

package ir

func (t *Type) HasFeature(feature string) bool {
	for _, f := range t.Features {
		if feature == f {
			return true
		}
	}

	return false
}

func (t *Type) AddFeature(feature string) {
	if t.HasFeature(feature) {
		return
	}

	t.Features = append(t.Features, feature)
	switch t.Kind {
	case KindAlias:
		t.AliasTo.AddFeature(feature)
	case KindArray:
		t.Item.AddFeature(feature)
	case KindGeneric:
		t.GenericOf.AddFeature(feature)
	case KindMap:
		t.Item.AddFeature(feature)
		for _, f := range t.Fields {
			f.Type.AddFeature(feature)
		}
	case KindPointer:
		t.PointerTo.AddFeature(feature)
	case KindStruct:
		for _, f := range t.Fields {
			f.Type.AddFeature(feature)
		}
	case KindSum:
		for _, s := range t.SumOf {
			s.AddFeature(feature)
		}
	}
}

func (t *Type) CloneFeatures() []string {
	if t == nil {
		return nil
	}

	out := make([]string, len(t.Features))
	_ = copy(out, t.Features)
	return out
}