blob: 5e2e9a91a0b2fd75b3ad69014a77dac8de3502e8 [file] [log] [blame]
// 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 a6 = []byte{1: 1, 2: 2, 1: 3} // ERROR "duplicate"
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",
}