Function setMapKey

go/fory/set.go:506–520

setMapKey sets a key into a map (set), handling interface types where the concrete type may need to be wrapped in a pointer to implement the interface.

(mapValue, key reflect.Value, keyType reflect.Type)

// setMapKey sets a key into a map (set), handling interface types where
// the concrete type may need to be wrapped in a pointer to implement the interface.
func setMapKey(mapValue, key reflect.Value, keyType reflect.Type) {
	if keyType.Kind() == reflect.Interface {
		// Check if key is directly assignable to the interface
		if key.Type().AssignableTo(keyType) {
			mapValue.SetMapIndex(key, emptyStructVal)
		} else {
			// Try pointer - common case where interface has pointer receivers
			ptr := reflect.New(key.Type())
			ptr.Elem().Set(key)
			mapValue.SetMapIndex(ptr, emptyStructVal)
		}
	} else {
		mapValue.SetMapIndex(key, emptyStructVal)
	}
}

func (s setSerializer) Read(ctx *ReadContext, refMode RefMode, readType bool, hasGenerics bool, value reflect.Value) {
	buf := ctx.Buffer()