mirror of
https://github.com/golang/go
synced 2024-11-24 07:00:13 -07:00
41 lines
1009 B
Go
41 lines
1009 B
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.
|
|
|
|
// Verify that erroneous initialization expressions are caught by the compiler
|
|
// Does not compile.
|
|
|
|
package main
|
|
|
|
type S struct {
|
|
A, B, C, X, Y, Z int
|
|
}
|
|
|
|
type T struct {
|
|
S
|
|
}
|
|
|
|
var x = 1
|
|
var a1 = S { 0, X: 1 } // ERROR "mixture|undefined"
|
|
var a2 = S { Y: 3, Z: 2, Y: 3 } // ERROR "duplicate"
|
|
var a3 = T { S{}, 2, 3, 4, 5, 6 } // ERROR "convert|too many"
|
|
var a4 = [5]byte{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } // ERROR "index|too many"
|
|
var a5 = []byte { x: 2 } // ERROR "index"
|
|
|
|
var ok1 = S { } // should be ok
|
|
var ok2 = T { S: ok1 } // should be ok
|
|
|
|
// These keys can be computed at compile time but they are
|
|
// not constants as defined by the spec, so they do not trigger
|
|
// compile-time errors about duplicate key values.
|
|
// See issue 4555.
|
|
|
|
type Key struct {X, Y int}
|
|
|
|
var _ = map[Key]string{
|
|
Key{1,2}: "hello",
|
|
Key{1,2}: "world",
|
|
}
|