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go/test/ken/robfunc.go
Rob Pike eb37b5b744 test: document ken/*.go
R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/5694065
2012-02-24 16:24:24 +11:00

97 lines
1.4 KiB
Go

// run
// 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.
// Test functions of many signatures.
package main
func assertequal(is, shouldbe int, msg string) {
if is != shouldbe {
print("assertion fail" + msg + "\n")
panic(1)
}
}
func f1() {
}
func f2(a int) {
}
func f3(a, b int) int {
return a + b
}
func f4(a, b int, c float64) int {
return (a+b)/2 + int(c)
}
func f5(a int) int {
return 5
}
func f6(a int) (r int) {
return 6
}
func f7(a int) (x int, y float64) {
return 7, 7.0
}
func f8(a int) (x int, y float64) {
return 8, 8.0
}
type T struct {
x, y int
}
func (t *T) m10(a int, b float64) int {
return (t.x + a) * (t.y + int(b))
}
func f9(a int) (in int, fl float64) {
i := 9
f := float64(9)
return i, f
}
func main() {
f1()
f2(1)
r3 := f3(1, 2)
assertequal(r3, 3, "3")
r4 := f4(0, 2, 3.0)
assertequal(r4, 4, "4")
r5 := f5(1)
assertequal(r5, 5, "5")
r6 := f6(1)
assertequal(r6, 6, "6")
var r7 int
var s7 float64
r7, s7 = f7(1)
assertequal(r7, 7, "r7")
assertequal(int(s7), 7, "s7")
var r8 int
var s8 float64
r8, s8 = f8(1)
assertequal(r8, 8, "r8")
assertequal(int(s8), 8, "s8")
var r9 int
var s9 float64
r9, s9 = f9(1)
assertequal(r9, 9, "r9")
assertequal(int(s9), 9, "s9")
var t *T = new(T)
t.x = 1
t.y = 2
r10 := t.m10(1, 3.0)
assertequal(r10, 10, "10")
}