mirror of
https://github.com/golang/go
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39 lines
593 B
Go
39 lines
593 B
Go
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// run
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// Copyright 2018 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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import (
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"fmt"
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)
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func f(a []byte) ([]byte, []byte) {
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return a, []byte("abc")
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}
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func g(a []byte) ([]byte, string) {
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return a, "abc"
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}
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func h(m map[int]int) (map[int]int, int) {
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return m, 0
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}
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func main() {
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a := []byte{1, 2, 3}
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n := copy(f(a))
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fmt.Println(n, a)
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b := []byte{1, 2, 3}
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n = copy(f(b))
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fmt.Println(n, b)
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m := map[int]int{0: 0}
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fmt.Println(len(m))
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delete(h(m))
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fmt.Println(len(m))
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}
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