mirror of
https://github.com/golang/go
synced 2024-11-22 11:34:47 -07:00
70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
// $G $F.go && $L $F.$A && ./$A.out
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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type T struct { i int; f float; s string; next *T }
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type R struct { num int }
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func itor(a int) *R {
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r := new(R);
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r.num = a;
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return r;
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}
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func eq(a *[]*R) {
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for i := 0; i < len(a); i++ {
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if a[i].num != i { panic("bad") }
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}
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}
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type P struct { a, b int };
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func NewP(a, b int) *P {
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return &P{a, b}
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}
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func main() {
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var t T;
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t = T{0, 7.2, "hi", &t};
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var tp *T;
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tp = &T{0, 7.2, "hi", &t};
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a1 := []int{1,2,3};
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if len(a1) != 3 { panic("a1") }
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a2 := [10]int{1,2,3};
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if len(a2) != 10 || cap(a2) != 10 { panic("a2") }
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//a3 := [10]int{1,2,3,}; // BUG: trailing commas not allowed
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//if len(a3) != 10 || a2[3] != 0 { panic("a3") }
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var oai *[]int;
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oai = &[]int{1,2,3};
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if len(oai) != 3 { panic("oai") }
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at := []*T{&t, &t, &t};
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if len(at) != 3 { panic("at") }
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c := new(chan int);
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ac := []*chan int{c, c, c};
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if len(ac) != 3 { panic("ac") }
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aat := [][len(at)]*T{at, at};
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if len(aat) != 2 || len(aat[1]) != 3 { panic("at") }
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s := string([]byte{'h', 'e', 'l', 'l', 'o'});
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if s != "hello" { panic("s") }
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m := map[string]float{"one":1.0, "two":2.0, "pi":22./7.};
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if len(m) != 3 { panic("m") }
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eq(&[]*R{itor(0), itor(1), itor(2), itor(3), itor(4), itor(5)});
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p1 := NewP(1, 2);
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p2 := NewP(1, 2);
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if p1 == p2 { panic("NewP") }
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}
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