Rob Pike | 126150d | 2008-06-06 13:28:03 -0700 | [diff] [blame] | 1 | // $G $F.go && $L $F.$A && ./$A.out |
| 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 | |
| 8 | package main |
| 9 | |
| 10 | func assertequal(is, shouldbe int, msg string) { |
| 11 | if is != shouldbe { |
Rob Pike | bc2f5f1 | 2008-08-11 22:07:49 -0700 | [diff] [blame] | 12 | print("assertion fail", msg, "\n"); |
| 13 | panic(1); |
Rob Pike | 126150d | 2008-06-06 13:28:03 -0700 | [diff] [blame] | 14 | } |
| 15 | } |
| 16 | |
| 17 | func f1() { |
| 18 | } |
| 19 | |
| 20 | func f2(a int) { |
| 21 | } |
| 22 | |
| 23 | func f3(a, b int) int { |
| 24 | return a+b; |
| 25 | } |
| 26 | |
| 27 | func f4(a, b int, c float) int { |
| 28 | return (a+b)/2 + int(c); |
| 29 | } |
| 30 | |
| 31 | func f5(a int) int { |
| 32 | return 5; |
| 33 | } |
| 34 | |
| 35 | func f6(a int) (r int) { |
| 36 | return 6; |
| 37 | } |
| 38 | |
Robert Griesemer | e92b753 | 2008-06-06 15:53:14 -0700 | [diff] [blame] | 39 | func f7(a int) (x int, y float) { |
Rob Pike | 126150d | 2008-06-06 13:28:03 -0700 | [diff] [blame] | 40 | return 7, 7.0; |
| 41 | } |
| 42 | |
| 43 | |
Robert Griesemer | e92b753 | 2008-06-06 15:53:14 -0700 | [diff] [blame] | 44 | func f8(a int) (x int, y float) { |
Rob Pike | 126150d | 2008-06-06 13:28:03 -0700 | [diff] [blame] | 45 | return 8, 8.0; |
| 46 | } |
| 47 | |
Russ Cox | 839a684 | 2009-01-20 14:40:40 -0800 | [diff] [blame] | 48 | type T struct { |
Rob Pike | 126150d | 2008-06-06 13:28:03 -0700 | [diff] [blame] | 49 | x, y int; |
| 50 | } |
| 51 | |
| 52 | func (t *T) m10(a int, b float) int { |
| 53 | return (t.x+a) * (t.y+int(b)); |
| 54 | } |
| 55 | |
| 56 | |
Rob Pike | 6810f39 | 2008-07-08 12:22:21 -0700 | [diff] [blame] | 57 | func f9(a int) (i int, f float) { |
| 58 | i = 9; |
| 59 | f = 9.0; |
| 60 | return; |
| 61 | } |
Rob Pike | 126150d | 2008-06-06 13:28:03 -0700 | [diff] [blame] | 62 | |
| 63 | |
| 64 | func main() { |
| 65 | f1(); |
| 66 | f2(1); |
| 67 | r3 := f3(1, 2); |
| 68 | assertequal(r3, 3, "3"); |
| 69 | r4 := f4(0, 2, 3.0); |
| 70 | assertequal(r4, 4, "4"); |
| 71 | r5 := f5(1); |
| 72 | assertequal(r5, 5, "5"); |
| 73 | r6 := f6(1); |
| 74 | assertequal(r6, 6, "6"); |
Rob Pike | 6810f39 | 2008-07-08 12:22:21 -0700 | [diff] [blame] | 75 | r7, s7 := f7(1); |
| 76 | assertequal(r7, 7, "r7"); |
| 77 | assertequal(int(s7), 7, "s7"); |
| 78 | r8, s8 := f8(1); |
| 79 | assertequal(r8, 8, "r8"); |
| 80 | assertequal(int(s8), 8, "s8"); |
| 81 | r9, s9 := f9(1); |
| 82 | assertequal(r9, 9, "r9"); |
| 83 | assertequal(int(s9), 9, "s9"); |
Russ Cox | 5564504 | 2009-01-06 15:19:02 -0800 | [diff] [blame] | 84 | var t *T = new(T); |
Rob Pike | 126150d | 2008-06-06 13:28:03 -0700 | [diff] [blame] | 85 | t.x = 1; |
| 86 | t.y = 2; |
| 87 | r10 := t.m10(1, 3.0); |
| 88 | assertequal(r10, 10, "10"); |
| 89 | } |