initial commit

magic/state.go

@@ -0,0 +1,13 @@
+package magic
+
+import "net/http"
+
+type State[T any] struct {
+	Data T
+}
+
+func RegisterState[T any](data T) {
+	RegisterExtractor(State[T]{}, func(r *http.Request) (any, error) {
+		return State[T]{Data: data}, nil
+	})
+}