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| // errorcheck
|
| // Copyright 2009 The Go Authors. All rights reserved.
| // Use of this source code is governed by a BSD-style
| // license that can be found in the LICENSE file.
|
| // Verify simple assignment errors are caught by the compiler.
| // Does not compile.
|
| package main
|
| import "sync"
|
| type T struct {
| int
| sync.Mutex
| }
|
| func main() {
| {
| var x, y sync.Mutex
| x = y // ok
| _ = x
| }
| {
| var x, y T
| x = y // ok
| _ = x
| }
| {
| var x, y [2]sync.Mutex
| x = y // ok
| _ = x
| }
| {
| var x, y [2]T
| x = y // ok
| _ = x
| }
| {
| x := sync.Mutex{0, 0} // ERROR "assignment.*Mutex"
| _ = x
| }
| {
| x := sync.Mutex{key: 0} // ERROR "(unknown|assignment).*Mutex"
| _ = x
| }
| {
| x := &sync.Mutex{} // ok
| var y sync.Mutex // ok
| y = *x // ok
| *x = y // ok
| _ = x
| _ = y
| }
| {
| var x = 1
| {
| x, x := 2, 3 // ERROR "x repeated on left side of :="
| _ = x
| }
| _ = x
| }
| {
| a, a := 1, 2 // ERROR "a repeated on left side of :="
| _ = a
| }
| }
|
|