3 // Copyright 2009 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.
7 // Test simple methods of various types, with pointer and
21 func (s S) val() int { return 1 }
22 func (s *S1) val() int { return 2 }
23 func (i I) val() int { return 3 }
24 func (i *I1) val() int { return 4 }
25 func (t T) val() int { return 7 }
26 func (t *T1) val() int { return 8 }
32 func val(v Val) int { return v.val() }
44 println("s.val:", s.val())
48 println("S.val(s):", S.val(s))
51 if (*S).val(&s) != 1 {
52 println("(*S).val(s):", (*S).val(&s))
56 println("ps.val:", ps.val())
59 if (*S1).val(ps) != 2 {
60 println("(*S1).val(ps):", (*S1).val(ps))
64 println("i.val:", i.val())
68 println("I.val(i):", I.val(i))
71 if (*I).val(&i) != 3 {
72 println("(*I).val(&i):", (*I).val(&i))
76 println("pi.val:", pi.val())
79 if (*I1).val(pi) != 4 {
80 println("(*I1).val(pi):", (*I1).val(pi))
84 println("t.val:", t.val())
88 println("pt.val:", pt.val())
91 if (*T1).val(pt) != 8 {
92 println("(*T1).val(pt):", (*T1).val(pt))
97 println("val(s):", val(s))
101 println("val(ps):", val(ps))
105 println("val(i):", val(i))
109 println("val(pi):", val(pi))
113 println("val(t):", val(t))
117 println("val(pt):", val(pt))
122 println("Val.val(i):", Val.val(i))
127 println("Val.val(v):", Val.val(v))
132 var zps struct{ *S1 }
134 var zpi struct{ *I1 }
135 var zpt struct{ *T1 }
140 println("zs.val:", zs.val())
144 println("zps.val:", zps.val())
148 println("zi.val:", zi.val())
152 println("zpi.val:", zpi.val())
156 println("zt.val:", zt.val())
160 println("zpt.val:", zpt.val())
165 println("val(zs):", val(zs))
169 println("val(zps):", val(zps))
173 println("val(zi):", val(zi))
177 println("val(zpi):", val(zpi))
181 println("val(zt):", val(zt))
185 println("val(zpt):", val(zpt))
191 println("zv.val():", zv.val())
195 if (&zs).val() != 1 {
196 println("(&zs).val:", (&zs).val())
199 if (&zps).val() != 2 {
200 println("(&zps).val:", (&zps).val())
203 if (&zi).val() != 3 {
204 println("(&zi).val:", (&zi).val())
207 if (&zpi).val() != 4 {
208 println("(&zpi).val:", (&zpi).val())
211 if (&zt).val() != 7 {
212 println("(&zt).val:", (&zt).val())
215 if (&zpt).val() != 8 {
216 println("(&zpt).val:", (&zpt).val())
221 println("val(&zs):", val(&zs))
225 println("val(&zps):", val(&zps))
229 println("val(&zi):", val(&zi))
233 println("val(&zpi):", val(&zpi))
237 println("val(&zt):", val(&zt))
241 println("val(&zpt):", val(&zpt))
247 println("zv.val():", zv.val())
261 func (C) f() {} // value receiver, direct field of A
262 func (*C) g() {} // pointer receiver
266 func (D) h() {} // value receiver, indirect field of A
267 func (*D) i() {} // pointer receiver
270 if r := recover(); r == nil {
271 panic("expected nil dereference")
277 // Addressable value receiver.
282 a.h() // dynamic error: nil dereference in a.B.D->f()
286 // Non-addressable value receiver.
288 // A(a).g() // static error: cannot call pointer method on A literal.B.C
291 A(a).h() // dynamic error: nil dereference in A().B.D->f()
300 (&a).h() // dynamic error: nil deref: nil dereference in (&a).B.D->f()
305 c.f() // makes a copy