зеркало из https://github.com/CryptoPro/go.git
114 строки
1.5 KiB
Go
114 строки
1.5 KiB
Go
// run
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// Copyright 2020 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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// assignment order in multiple assignments.
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// See issue #23017
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package main
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import "fmt"
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func main() {}
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func init() {
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var m = map[int]int{}
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var p *int
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defer func() {
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recover()
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check(1, len(m))
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check(42, m[2])
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}()
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m[2], *p = 42, 2
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}
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func init() {
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var m = map[int]int{}
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p := []int{}
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defer func() {
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recover()
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check(1, len(m))
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check(2, m[2])
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}()
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m[2], p[1] = 2, 2
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}
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func init() {
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type P struct{ i int }
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var m = map[int]int{}
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var p *P
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defer func() {
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recover()
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check(1, len(m))
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check(3, m[2])
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}()
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m[2], p.i = 3, 2
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}
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func init() {
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type T struct{ i int }
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var x T
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p := &x
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p, p.i = new(T), 4
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check(4, x.i)
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}
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func init() {
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var m map[int]int
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var a int
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var p = &a
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defer func() {
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recover()
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check(5, *p)
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}()
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*p, m[2] = 5, 2
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}
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var g int
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func init() {
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var m map[int]int
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defer func() {
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recover()
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check(0, g)
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}()
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m[0], g = 1, 2
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}
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func init() {
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type T struct{ x struct{ y int } }
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var x T
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p := &x
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p, p.x.y = new(T), 7
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check(7, x.x.y)
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check(0, p.x.y)
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}
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func init() {
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type T *struct{ x struct{ y int } }
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x := struct{ y int }{0}
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var q T = &struct{ x struct{ y int } }{x}
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p := q
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p, p.x.y = nil, 7
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check(7, q.x.y)
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}
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func init() {
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x, y := 1, 2
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x, y = y, x
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check(2, x)
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check(1, y)
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}
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func check(want, got int) {
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if want != got {
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panic(fmt.Sprintf("wanted %d, but got %d", want, got))
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}
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}
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