vendor tsgo

tools/tsgo/internal/core/linkstore.go

@@ -0,0 +1,30 @@
+package core
+
+// Links store
+
+type LinkStore[K comparable, V any] struct {
+	entries map[K]*V
+	arena   Arena[V]
+}
+
+func (s *LinkStore[K, V]) Get(key K) *V {
+	value := s.entries[key]
+	if value != nil {
+		return value
+	}
+	if s.entries == nil {
+		s.entries = make(map[K]*V)
+	}
+	value = s.arena.New()
+	s.entries[key] = value
+	return value
+}
+
+func (s *LinkStore[K, V]) Has(key K) bool {
+	_, ok := s.entries[key]
+	return ok
+}
+
+func (s *LinkStore[K, V]) TryGet(key K) *V {
+	return s.entries[key]
+}