mirror of
https://github.com/golang/go
synced 2024-11-12 08:40:21 -07:00
59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
// errchk $G -e $F.go
|
|
|
|
// 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.
|
|
|
|
// Incorrect short declarations and redeclarations.
|
|
|
|
package main
|
|
|
|
func f1() int { return 1 }
|
|
func f2() (float, int) { return 1, 2 }
|
|
func f3() (float, int, string) { return 1, 2, "3" }
|
|
|
|
func main() {
|
|
{
|
|
// simple redeclaration
|
|
i := f1();
|
|
i := f1(); // ERROR "redeclared|no new"
|
|
_ = i;
|
|
}
|
|
{
|
|
// change of type for f
|
|
i, f, s := f3();
|
|
f, g, t := f3(); // ERROR "redeclared|cannot assign|incompatible"
|
|
_, _, _, _, _ = i, f, s, g, t;
|
|
}
|
|
{
|
|
// change of type for i
|
|
i, f, s := f3();
|
|
j, i, t := f3(); // ERROR "redeclared|cannot assign|incompatible"
|
|
_, _, _, _, _ = i, f, s, j, t;
|
|
}
|
|
{
|
|
// no new variables
|
|
i, f, s := f3();
|
|
i, f := f2(); // ERROR "redeclared|no new"
|
|
_, _, _ = i, f, s;
|
|
}
|
|
{
|
|
// single redeclaration
|
|
i, f, s := f3();
|
|
i := f1(); // ERROR "redeclared|no new|incompatible"
|
|
_, _, _ = i, f, s;
|
|
}
|
|
// double redeclaration
|
|
{
|
|
i, f, s := f3();
|
|
i, f := f2(); // ERROR "redeclared|no new"
|
|
_, _, _ = i, f, s;
|
|
}
|
|
{
|
|
// triple redeclaration
|
|
i, f, s := f3();
|
|
i, f, s := f3(); // ERROR "redeclared|no new"
|
|
_, _, _ = i, f, s;
|
|
}
|
|
}
|