| Server IP : 192.241.186.36 / Your IP : 216.73.216.164 Web Server : Apache/2.4.29 (Ubuntu) System : Linux webserver7 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 x86_64 User : root ( 0) PHP Version : 7.4.32 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/local/go/test/ |
Upload File : |
// 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 simultaneous assignment.
package main
var a, b, c, d, e, f, g, h, i int
func printit() {
println(a, b, c, d, e, f, g, h, i)
}
func testit(permuteok bool) bool {
if a+b+c+d+e+f+g+h+i != 45 {
print("sum does not add to 45\n")
printit()
return false
}
return permuteok ||
a == 1 &&
b == 2 &&
c == 3 &&
d == 4 &&
e == 5 &&
f == 6 &&
g == 7 &&
h == 8 &&
i == 9
}
func swap(x, y int) (u, v int) {
return y, x
}
func main() {
a = 1
b = 2
c = 3
d = 4
e = 5
f = 6
g = 7
h = 8
i = 9
if !testit(false) {
panic("init val\n")
}
for z := 0; z < 100; z++ {
a, b, c, d, e, f, g, h, i = b, c, d, a, i, e, f, g, h
if !testit(z%20 != 19) {
print("on ", z, "th iteration\n")
printit()
panic("fail")
}
}
if !testit(false) {
print("final val\n")
printit()
panic("fail")
}
a, b = swap(1, 2)
if a != 2 || b != 1 {
panic("bad swap")
}
a, b = swap(swap(a, b))
if a != 2 || b != 1 {
panic("bad swap")
}
}