1// run
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// Test functions of many signatures.
8
9package main
10
11func assertequal(is, shouldbe int, msg string) {
12	if is != shouldbe {
13		print("assertion fail" + msg + "\n")
14		panic(1)
15	}
16}
17
18func f1() {
19}
20
21func f2(a int) {
22}
23
24func f3(a, b int) int {
25	return a + b
26}
27
28func f4(a, b int, c float64) int {
29	return (a+b)/2 + int(c)
30}
31
32func f5(a int) int {
33	return 5
34}
35
36func f6(a int) (r int) {
37	return 6
38}
39
40func f7(a int) (x int, y float64) {
41	return 7, 7.0
42}
43
44
45func f8(a int) (x int, y float64) {
46	return 8, 8.0
47}
48
49type T struct {
50	x, y int
51}
52
53func (t *T) m10(a int, b float64) int {
54	return (t.x + a) * (t.y + int(b))
55}
56
57
58func f9(a int) (in int, fl float64) {
59	i := 9
60	f := float64(9)
61	return i, f
62}
63
64
65func main() {
66	f1()
67	f2(1)
68	r3 := f3(1, 2)
69	assertequal(r3, 3, "3")
70	r4 := f4(0, 2, 3.0)
71	assertequal(r4, 4, "4")
72	r5 := f5(1)
73	assertequal(r5, 5, "5")
74	r6 := f6(1)
75	assertequal(r6, 6, "6")
76	var r7 int
77	var s7 float64
78	r7, s7 = f7(1)
79	assertequal(r7, 7, "r7")
80	assertequal(int(s7), 7, "s7")
81	var r8 int
82	var s8 float64
83	r8, s8 = f8(1)
84	assertequal(r8, 8, "r8")
85	assertequal(int(s8), 8, "s8")
86	var r9 int
87	var s9 float64
88	r9, s9 = f9(1)
89	assertequal(r9, 9, "r9")
90	assertequal(int(s9), 9, "s9")
91	var t *T = new(T)
92	t.x = 1
93	t.y = 2
94	r10 := t.m10(1, 3.0)
95	assertequal(r10, 10, "10")
96}
97