golang declbad 代码
文件路径：/test/declbad.go
/ 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.
/ Test that incorrect short declarations and redeclarations are detected.
/ Does not compile.
package main
func f1() int { return 1 }
func f2() (float32, int) { return 1, 2 }
func f3() (float32, 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|cannot use"
_, _, _, _, _ = i, f, s, g, t
}
{
/ change of type for i
i, f, s := f3()
j, i, t := f3() / ERROR "redeclared|cannot assign|incompatible|cannot use"
_, _, _, _, _ = i, f, s, j, t
}
{
/ no new variables
i, f, s := f3()
i, f := f2() / ERROR "redeclared|no new"
_, _, _ = i, f, s
}
{
/ multiline no new variables
i := f1
i := func() int { / ERROR "redeclared|no new|incompatible"
return 0
}
_ = i
}
{
/ single redeclaration
i, f, s := f3()
i := 1 / 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
}
}