| // $G $D/$F.go && $L $F.$A && ./$A.out || echo BUG indirect |
| |
| // Copyright 2009 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. |
| |
| package main |
| |
| var m0 map[string]int |
| var m1 *map[string]int |
| var m2 *map[string]int = &m0 |
| var m3 map[string]int = map[string]int{"a": 1} |
| var m4 *map[string]int = &m3 |
| |
| var s0 string |
| var s1 *string |
| var s2 *string = &s0 |
| var s3 string = "a" |
| var s4 *string = &s3 |
| |
| var a0 [10]int |
| var a1 *[10]int |
| var a2 *[10]int = &a0 |
| |
| var b0 []int |
| var b1 *[]int |
| var b2 *[]int = &b0 |
| var b3 []int = []int{1, 2, 3} |
| var b4 *[]int = &b3 |
| |
| func crash() { |
| // these uses of nil pointers |
| // would crash but should type check |
| println("crash", |
| len(a1) + cap(a1)); |
| } |
| |
| func nocrash() { |
| // this is spaced funny so that |
| // the compiler will print a different |
| // line number for each len call if |
| // it decides there are type errors. |
| // it might also help in the traceback. |
| x := |
| len(m0)+ |
| len(m3); |
| if x != 1 { |
| panicln("wrong maplen"); |
| } |
| |
| x = |
| len(s0)+ |
| len(s3); |
| if x != 1 { |
| panicln("wrong stringlen"); |
| } |
| |
| x = |
| len(a0)+ |
| len(a2); |
| if x != 20 { |
| panicln("wrong arraylen"); |
| } |
| |
| x = |
| len(b0)+ |
| len(b3); |
| if x != 3 { |
| panicln("wrong slicelen"); |
| } |
| |
| x = |
| cap(b0)+ |
| cap(b3); |
| if x != 3 { |
| panicln("wrong slicecap"); |
| } |
| } |
| |
| func main() { |
| nocrash(); |
| } |