blob: 6b3d4b2e46086c82b33354f0dbbb7bcb9d09b5dd [file] [log] [blame]
Rob Pikeab34d152008-06-06 14:27:34 -07001// $G $D/$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
7package main
8
9func assertequal(is, shouldbe int, msg string) {
10 if is != shouldbe {
Russ Coxf2b5a072011-01-19 23:09:00 -050011 print("assertion fail" + msg + "\n")
12 panic(1)
Rob Pikeab34d152008-06-06 14:27:34 -070013 }
14}
15
16func f1() {
17}
18
19func f2(a int) {
20}
21
22func f3(a, b int) int {
Russ Coxf2b5a072011-01-19 23:09:00 -050023 return a + b
Rob Pikeab34d152008-06-06 14:27:34 -070024}
25
Russ Coxf2b5a072011-01-19 23:09:00 -050026func f4(a, b int, c float64) int {
27 return (a+b)/2 + int(c)
Rob Pikeab34d152008-06-06 14:27:34 -070028}
29
30func f5(a int) int {
Russ Coxf2b5a072011-01-19 23:09:00 -050031 return 5
Rob Pikeab34d152008-06-06 14:27:34 -070032}
33
34func f6(a int) (r int) {
Russ Coxf2b5a072011-01-19 23:09:00 -050035 return 6
Rob Pikeab34d152008-06-06 14:27:34 -070036}
37
Russ Coxf2b5a072011-01-19 23:09:00 -050038func f7(a int) (x int, y float64) {
39 return 7, 7.0
Rob Pikeab34d152008-06-06 14:27:34 -070040}
41
42
Russ Coxf2b5a072011-01-19 23:09:00 -050043func f8(a int) (x int, y float64) {
44 return 8, 8.0
Rob Pikeab34d152008-06-06 14:27:34 -070045}
46
Russ Cox839a6842009-01-20 14:40:40 -080047type T struct {
Russ Coxf2b5a072011-01-19 23:09:00 -050048 x, y int
Rob Pikeab34d152008-06-06 14:27:34 -070049}
50
Russ Coxf2b5a072011-01-19 23:09:00 -050051func (t *T) m10(a int, b float64) int {
52 return (t.x + a) * (t.y + int(b))
Rob Pikeab34d152008-06-06 14:27:34 -070053}
54
55
Russ Coxf2b5a072011-01-19 23:09:00 -050056func f9(a int) (in int, fl float64) {
57 i := 9
58 f := float64(9)
59 return i, f
Rob Pikeab34d152008-06-06 14:27:34 -070060}
61
62
63func main() {
Russ Coxf2b5a072011-01-19 23:09:00 -050064 f1()
65 f2(1)
66 r3 := f3(1, 2)
67 assertequal(r3, 3, "3")
68 r4 := f4(0, 2, 3.0)
69 assertequal(r4, 4, "4")
70 r5 := f5(1)
71 assertequal(r5, 5, "5")
72 r6 := f6(1)
73 assertequal(r6, 6, "6")
74 var r7 int
75 var s7 float64
76 r7, s7 = f7(1)
77 assertequal(r7, 7, "r7")
78 assertequal(int(s7), 7, "s7")
79 var r8 int
80 var s8 float64
81 r8, s8 = f8(1)
82 assertequal(r8, 8, "r8")
83 assertequal(int(s8), 8, "s8")
84 var r9 int
85 var s9 float64
86 r9, s9 = f9(1)
87 assertequal(r9, 9, "r9")
88 assertequal(int(s9), 9, "s9")
89 var t *T = new(T)
90 t.x = 1
91 t.y = 2
92 r10 := t.m10(1, 3.0)
93 assertequal(r10, 10, "10")
Rob Pikeab34d152008-06-06 14:27:34 -070094}