3 // Copyright 2021 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
9 type Iterator[T any] interface {
13 type IteratorFunc[T any] func(fn T)
15 func (f IteratorFunc[T]) Iterate(fn T) {
20 var _ Iterator[R] = IteratorFunc[R](nil)