Function WithQualifierFor

component/definition.go:177–196

WithQualifierFor sets a named qualifier for the constructor argument that matches the given type T.

(name string)

// WithQualifierFor sets a named qualifier for the constructor argument
// that matches the given type T.
func WithQualifierFor[T any](name string) DefinitionOption {
	return func(def *Definition) error {
		typ := reflect.TypeFor[T]()
		objectConstructor := def.constructor

		exists := false
		for index, arg := range objectConstructor.Args() {
			if arg.Type() == typ {
				objectConstructor.args[index].name = name
				exists = true
			}
		}

		if !exists {
			return fmt.Errorf("no constructor input of type %s", typ.Name())
		}

		return nil
	}
}