mirror of
https://github.com/golang/go
synced 2024-11-05 17:26:11 -07:00
fc0dc04095
Very few of the compiler regression tests include a comment saying waht they do. Many are obvious, some are anything but. I've started with a-c in the top directory. More will follow once we agree on the approach, correctness, and thoroughness here. zerodivide.go sneaked in too. R=rsc, r CC=golang-dev https://golang.org/cl/5656100
43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
// errorcheck
|
|
|
|
// Copyright 2011 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 illegal composite literals are detected.
|
|
// Does not compile.
|
|
|
|
package main
|
|
|
|
var m map[int][3]int
|
|
|
|
func f() [3]int
|
|
|
|
func fp() *[3]int
|
|
|
|
var mp map[int]*[3]int
|
|
|
|
var (
|
|
_ = [3]int{1, 2, 3}[:] // ERROR "slice of unaddressable value"
|
|
_ = m[0][:] // ERROR "slice of unaddressable value"
|
|
_ = f()[:] // ERROR "slice of unaddressable value"
|
|
|
|
// these are okay because they are slicing a pointer to an array
|
|
_ = (&[3]int{1, 2, 3})[:]
|
|
_ = mp[0][:]
|
|
_ = fp()[:]
|
|
)
|
|
|
|
type T struct {
|
|
i int
|
|
f float64
|
|
s string
|
|
next *T
|
|
}
|
|
|
|
var (
|
|
_ = &T{0, 0, "", nil} // ok
|
|
_ = &T{i: 0, f: 0, s: "", next: {}} // ERROR "missing type in composite literal|omit types within composite literal"
|
|
_ = &T{0, 0, "", {}} // ERROR "missing type in composite literal|omit types within composite literal"
|
|
)
|