1 // errorcheck 2 3 // Copyright 2011 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // Test that len non-constants are not constants, https://golang.org/issue/3244. 8 9 package p 10 11 var b struct { 12 a[10]int 13 } 14 15 var m map[string][20]int 16 17 var s [][30]int 18 19 func f() *[40]int 20 var c chan *[50]int 21 var z complex128 22 23 const ( 24 n1 = len(b.a) 25 n2 = len(m[""]) 26 n3 = len(s[10]) 27 28 n4 = len(f()) // ERROR "is not a constant|is not constant" 29 n5 = len(<-c) // ERROR "is not a constant|is not constant" 30 31 n6 = cap(f()) // ERROR "is not a constant|is not constant" 32 n7 = cap(<-c) // ERROR "is not a constant|is not constant" 33 n8 = real(z) // ERROR "is not a constant|is not constant" 34 n9 = len([4]float64{real(z)}) // ERROR "is not a constant|is not constant" 35 36 ) 37 38
