1 // $G $D/$F.go && $L $F.$A && ./$A.out
3 // Copyright 2010 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.
9 func sum(args ...int) int {
11 for _, v := range args {
17 func sumC(args ...int) int { return func() int { return sum(args...) }() }
19 var sumD = func(args ...int) int { return sum(args...) }
21 var sumE = func() func(...int) int { return func(args ...int) int { return sum(args...) } }()
23 var sumF = func(args ...int) func() int { return func() int { return sum(args...) } }
25 func sumA(args []int) int {
27 for _, v := range args {
33 func sumB(args []int) int { return sum(args...) }
35 func sum2(args ...int) int { return 2 * sum(args...) }
37 func sum3(args ...int) int { return 3 * sumA(args) }
39 func sum4(args ...int) int { return 4 * sumB(args) }
41 func intersum(args ...interface{}) int {
43 for _, v := range args {
51 func ln(args ...T) int { return len(args) }
53 func ln2(args ...T) int { return 2 * ln(args...) }
55 func (*T) Sum(args ...int) int { return sum(args...) }
62 if x := sum(1, 2, 3); x != 6 {
66 if x := sum(); x != 0 {
70 if x := sum(10); x != 10 {
74 if x := sum(1, 8); x != 9 {
78 if x := sumC(4, 5, 6); x != 15 {
82 if x := sumD(4, 5, 7); x != 16 {
86 if x := sumE(4, 5, 8); x != 17 {
90 if x := sumF(4, 5, 9)(); x != 18 {
94 if x := sum2(1, 2, 3); x != 2*6 {
98 if x := sum2(); x != 2*0 {
102 if x := sum2(10); x != 2*10 {
106 if x := sum2(1, 8); x != 2*9 {
110 if x := sum3(1, 2, 3); x != 3*6 {
114 if x := sum3(); x != 3*0 {
118 if x := sum3(10); x != 3*10 {
122 if x := sum3(1, 8); x != 3*9 {
126 if x := sum4(1, 2, 3); x != 4*6 {
130 if x := sum4(); x != 4*0 {
134 if x := sum4(10); x != 4*10 {
138 if x := sum4(1, 8); x != 4*9 {
142 if x := intersum(1, 2, 3); x != 6 {
143 println("intersum 6", x)
146 if x := intersum(); x != 0 {
147 println("intersum 0", x)
150 if x := intersum(10); x != 10 {
151 println("intersum 10", x)
154 if x := intersum(1, 8); x != 9 {
155 println("intersum 9", x)
159 if x := ln(nil, nil, nil); x != 3 {
163 if x := ln([]T{}); x != 1 {
167 if x := ln2(nil, nil, nil); x != 2*3 {
171 if x := ln2([]T{}); x != 2*1 {
175 if x := ((*T)(nil)).Sum(1, 3, 5, 7); x != 16 {
176 println("(*T)(nil).Sum", x)
179 if x := (*T).Sum(nil, 1, 3, 5, 6); x != 15 {
180 println("(*T).Sum", x)
183 if x := (&U{}).Sum(1, 3, 5, 5); x != 14 {
184 println("(&U{}).Sum", x)
188 if x := u.Sum(1, 3, 5, 4); x != 13 {
192 if x := (&u).Sum(1, 3, 5, 3); x != 12 {
193 println("(&u).Sum", x)
199 if x := i.Sum(2, 3, 5, 7); x != 17 {
200 println("i(=&u).Sum", x)
204 if x := i.Sum(2, 3, 5, 6); x != 16 {
205 println("i(=u).Sum", x)
208 /* TODO(rsc): Enable once nested method expressions work.
209 if x := (*U).Sum(&U{}, 1, 3, 5, 2); x != 11 {
210 println("(*U).Sum", x)
213 if x := U.Sum(U{}, 1, 3, 5, 1); x != 10 {