mirror of
https://github.com/golang/go
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29 lines
489 B
Go
29 lines
489 B
Go
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// run -gcflags=-G=3
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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type Iterator[T any] interface {
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Iterate()
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}
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type IteratorFunc[T any] func(fn func(T) bool)
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func (f IteratorFunc[T]) Iterate() {
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}
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func FromIterator[T any](it Iterator[T]) {
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it.Iterate()
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}
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func Foo[T, R any]() {
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FromIterator[R](IteratorFunc[R](nil))
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}
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func main() {
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Foo[int, int]()
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}
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