| Server IP : 2.57.91.199 / Your IP : 216.73.216.217 Web Server : LiteSpeed System : Linux id-dci-web1986.main-hosting.eu 5.14.0-611.26.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Jan 29 05:24:47 EST 2026 x86_64 User : u686484674 ( 686484674) PHP Version : 8.0.30 Disable Function : system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail MySQL : OFF | cURL : ON | WGET : ON | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /opt/golang/1.22.0/test/ |
Upload File : |
// run
// Copyright 2010 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 variadic functions and calls (dot-dot-dot).
package main
func sum(args ...int) int {
s := 0
for _, v := range args {
s += v
}
return s
}
func sumC(args ...int) int { return func() int { return sum(args...) }() }
var sumD = func(args ...int) int { return sum(args...) }
var sumE = func() func(...int) int { return func(args ...int) int { return sum(args...) } }()
var sumF = func(args ...int) func() int { return func() int { return sum(args...) } }
func sumA(args []int) int {
s := 0
for _, v := range args {
s += v
}
return s
}
func sumB(args []int) int { return sum(args...) }
func sum2(args ...int) int { return 2 * sum(args...) }
func sum3(args ...int) int { return 3 * sumA(args) }
func sum4(args ...int) int { return 4 * sumB(args) }
func intersum(args ...interface{}) int {
s := 0
for _, v := range args {
s += v.(int)
}
return s
}
type T []T
func ln(args ...T) int { return len(args) }
func ln2(args ...T) int { return 2 * ln(args...) }
func (*T) Sum(args ...int) int { return sum(args...) }
type U struct {
*T
}
type I interface {
Sum(...int) int
}
func main() {
if x := sum(1, 2, 3); x != 6 {
println("sum 6", x)
panic("fail")
}
if x := sum(); x != 0 {
println("sum 0", x)
panic("fail")
}
if x := sum(10); x != 10 {
println("sum 10", x)
panic("fail")
}
if x := sum(1, 8); x != 9 {
println("sum 9", x)
panic("fail")
}
if x := sumC(4, 5, 6); x != 15 {
println("sumC 15", x)
panic("fail")
}
if x := sumD(4, 5, 7); x != 16 {
println("sumD 16", x)
panic("fail")
}
if x := sumE(4, 5, 8); x != 17 {
println("sumE 17", x)
panic("fail")
}
if x := sumF(4, 5, 9)(); x != 18 {
println("sumF 18", x)
panic("fail")
}
if x := sum2(1, 2, 3); x != 2*6 {
println("sum 6", x)
panic("fail")
}
if x := sum2(); x != 2*0 {
println("sum 0", x)
panic("fail")
}
if x := sum2(10); x != 2*10 {
println("sum 10", x)
panic("fail")
}
if x := sum2(1, 8); x != 2*9 {
println("sum 9", x)
panic("fail")
}
if x := sum3(1, 2, 3); x != 3*6 {
println("sum 6", x)
panic("fail")
}
if x := sum3(); x != 3*0 {
println("sum 0", x)
panic("fail")
}
if x := sum3(10); x != 3*10 {
println("sum 10", x)
panic("fail")
}
if x := sum3(1, 8); x != 3*9 {
println("sum 9", x)
panic("fail")
}
if x := sum4(1, 2, 3); x != 4*6 {
println("sum 6", x)
panic("fail")
}
if x := sum4(); x != 4*0 {
println("sum 0", x)
panic("fail")
}
if x := sum4(10); x != 4*10 {
println("sum 10", x)
panic("fail")
}
if x := sum4(1, 8); x != 4*9 {
println("sum 9", x)
panic("fail")
}
if x := intersum(1, 2, 3); x != 6 {
println("intersum 6", x)
panic("fail")
}
if x := intersum(); x != 0 {
println("intersum 0", x)
panic("fail")
}
if x := intersum(10); x != 10 {
println("intersum 10", x)
panic("fail")
}
if x := intersum(1, 8); x != 9 {
println("intersum 9", x)
panic("fail")
}
if x := ln(nil, nil, nil); x != 3 {
println("ln 3", x)
panic("fail")
}
if x := ln([]T{}); x != 1 {
println("ln 1", x)
panic("fail")
}
if x := ln2(nil, nil, nil); x != 2*3 {
println("ln2 3", x)
panic("fail")
}
if x := ln2([]T{}); x != 2*1 {
println("ln2 1", x)
panic("fail")
}
if x := ((*T)(nil)).Sum(1, 3, 5, 7); x != 16 {
println("(*T)(nil).Sum", x)
panic("fail")
}
if x := (*T).Sum(nil, 1, 3, 5, 6); x != 15 {
println("(*T).Sum", x)
panic("fail")
}
if x := (&U{}).Sum(1, 3, 5, 5); x != 14 {
println("(&U{}).Sum", x)
panic("fail")
}
var u U
if x := u.Sum(1, 3, 5, 4); x != 13 {
println("u.Sum", x)
panic("fail")
}
if x := (&u).Sum(1, 3, 5, 3); x != 12 {
println("(&u).Sum", x)
panic("fail")
}
var i interface {
Sum(...int) int
} = &u
if x := i.Sum(2, 3, 5, 7); x != 17 {
println("i(=&u).Sum", x)
panic("fail")
}
i = u
if x := i.Sum(2, 3, 5, 6); x != 16 {
println("i(=u).Sum", x)
panic("fail")
}
var s struct {
I
}
s.I = &u
if x := s.Sum(2, 3, 5, 8); x != 18 {
println("s{&u}.Sum", x)
panic("fail")
}
if x := (*U).Sum(&U{}, 1, 3, 5, 2); x != 11 {
println("(*U).Sum", x)
panic("fail")
}
if x := U.Sum(U{}, 1, 3, 5, 1); x != 10 {
println("U.Sum", x)
panic("fail")
}
}