Editando: const5.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. // Test that len non-constants are not constants, https://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 var z complex128 const ( n1 = len(b.a) n2 = len(m[""]) n3 = len(s[10]) n4 = len(f()) // ERROR "is not a constant|is not constant" n5 = len(<-c) // ERROR "is not a constant|is not constant" n6 = cap(f()) // ERROR "is not a constant|is not constant" n7 = cap(<-c) // ERROR "is not a constant|is not constant" n8 = real(z) // ERROR "is not a constant|is not constant" n9 = len([4]float64{real(z)}) // ERROR "is not a constant|is not constant" )
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Kerym Chaeceran