1 // compile 2 3 // Copyright 2009 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 package main 8 9 func main() { 10 var b1 []byte; 11 s1 := string(b1); 12 println(len(s1)); // prints 0 13 14 b2 := ([]byte)(nil); 15 s2 := string(b2); 16 println(len(s2)); // prints 0 17 18 s3 := string(([]byte)(nil)); // does not compile (literal substitution of b2) 19 println(len(s3)); 20 } 21 22 /* 23 bug149.go:14: cannot convert []uint8 constant to string 24 */ 25
