Gecko [ 167.86.127.34 ]

Name	Size	Permission
array.go	2.27 KB	-rw-r--r--
chan.go	4.67 KB	-rw-r--r--
chan1.go	879 B	-rw-r--r--
complit.go	4.27 KB	-rw-r--r--
convert.go	14.94 KB	-rw-r--r--
cplx0.go	455 B	-rw-r--r--
cplx0.out	128 B	-rw-r--r--
cplx1.go	1.43 KB	-rw-r--r--
cplx2.go	1.9 KB	-rw-r--r--
cplx3.go	888 B	-rw-r--r--
cplx4.go	1.05 KB	-rw-r--r--
cplx5.go	1.13 KB	-rw-r--r--
divconst.go	9.23 KB	-rw-r--r--
divmod.go	5.13 KB	-rw-r--r--
embed.go	4.27 KB	-rw-r--r--
for.go	308 B	-rw-r--r--
interbasic.go	2.18 KB	-rw-r--r--
interfun.go	872 B	-rw-r--r--
intervar.go	1010 B	-rw-r--r--
label.go	439 B	-rw-r--r--
litfun.go	410 B	-rw-r--r--
mfunc.go	386 B	-rw-r--r--
modconst.go	9.24 KB	-rw-r--r--
ptrfun.go	617 B	-rw-r--r--
ptrvar.go	772 B	-rw-r--r--
range.go	1.71 KB	-rw-r--r--
rob1.go	1.05 KB	-rw-r--r--
rob2.go	4.3 KB	-rw-r--r--
robfor.go	881 B	-rw-r--r--
robfunc.go	1.4 KB	-rw-r--r--
shift.go	2.26 KB	-rw-r--r--
simparray.go	730 B	-rw-r--r--
simpbool.go	1.77 KB	-rw-r--r--
simpconv.go	490 B	-rw-r--r--
simpfun.go	380 B	-rw-r--r--
simpswitch.go	487 B	-rw-r--r--
simpvar.go	348 B	-rw-r--r--
slicearray.go	2.75 KB	-rw-r--r--
sliceslice.go	2.7 KB	-rw-r--r--
string.go	1.79 KB	-rw-r--r--
string.out	49 B	-rw-r--r--
strvar.go	1.11 KB	-rw-r--r--

Code Editor : array.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 arrays and slices.

package main

func setpd(a []int) {
	//	print("setpd a=", a, " len=", len(a), " cap=", cap(a), "\n");
	for i := 0; i < len(a); i++ {
		a[i] = i
	}
}

func sumpd(a []int) int {
	//	print("sumpd a=", a, " len=", len(a), " cap=", cap(a), "\n");
	t := 0
	for i := 0; i < len(a); i++ {
		t += a[i]
	}
	//	print("sumpd t=", t, "\n");
	return t
}

func setpf(a *[20]int) {
	//	print("setpf a=", a, " len=", len(a), " cap=", cap(a), "\n");
	for i := 0; i < len(a); i++ {
		a[i] = i
	}
}

func sumpf(a *[20]int) int {
	//	print("sumpf a=", a, " len=", len(a), " cap=", cap(a), "\n");
	t := 0
	for i := 0; i < len(a); i++ {
		t += a[i]
	}
	//	print("sumpf t=", t, "\n");
	return t
}

func res(t int, lb, hb int) {
	sb := (hb - lb) * (hb + lb - 1) / 2
	if t != sb {
		print("lb=", lb,
			"; hb=", hb,
			"; t=", t,
			"; sb=", sb,
			"\n")
		panic("res")
	}
}

// call ptr dynamic with ptr dynamic
func testpdpd() {
	a := make([]int, 10, 100)
	if len(a) != 10 && cap(a) != 100 {
		print("len and cap from new: ", len(a), " ", cap(a), "\n")
		panic("fail")
	}

a = a[0:100]
	setpd(a)

a = a[0:10]
	res(sumpd(a), 0, 10)

a = a[5:25]
	res(sumpd(a), 5, 25)

a = a[30:95]
	res(sumpd(a), 35, 100)
}

// call ptr fixed with ptr fixed
func testpfpf() {
	var a [20]int

setpf(&a)
	res(sumpf(&a), 0, 20)
}

// call ptr dynamic with ptr fixed from new
func testpdpf1() {
	a := new([40]int)
	setpd(a[0:])
	res(sumpd(a[0:]), 0, 40)

b := (*a)[5:30]
	res(sumpd(b), 5, 30)
}

// call ptr dynamic with ptr fixed from var
func testpdpf2() {
	var a [80]int

setpd(a[0:])
	res(sumpd(a[0:]), 0, 80)
}

// generate bounds error with ptr dynamic
func testpdfault() {
	a := make([]int, 100)

print("good\n")
	for i := 0; i < 100; i++ {
		a[i] = 0
	}
	print("should fault\n")
	a[100] = 0
	print("bad\n")
}

// generate bounds error with ptr fixed
func testfdfault() {
	var a [80]int

print("good\n")
	for i := 0; i < 80; i++ {
		a[i] = 0
	}
	print("should fault\n")
	x := 80
	a[x] = 0
	print("bad\n")
}

func main() {
	testpdpd()
	testpfpf()
	testpdpf1()
	testpdpf2()
	//	print("testpdfault\n");	testpdfault();
	//	print("testfdfault\n");	testfdfault();
}

${this.title}

Code Editor : array.go