| // 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. |
| |
| // Test that len non-constants are not constants, http://golang.org/issue/3244. |
| |
| package p |
| |
| var b struct { |
| a[10]int |
| } |
| |
| var m map[string][20]int |
| |
| var s [][30]int |
| |
| func f() *[40]int |
| var c chan *[50]int |
| |
| const ( |
| n1 = len(b.a) |
| n2 = len(m[""]) |
| n3 = len(s[10]) |
| |
| n4 = len(f()) // ERROR "must be constant" |
| n5 = len(<-c) // ERROR "must be constant" |
| |
| n6 = cap(f()) // ERROR "must be constant" |
| n7 = cap(<-c) // ERROR "must be constant" |
| ) |
| |