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// Copyright 2013 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.
package methodsets
type T0 struct {}
func (T0) v0() {}
func (*T0) p0() {}
type T1 struct {} // like T0 with different method names
func (T1) v1() {}
func (*T1) p1() {}
type T2 interface {
v2()
p2()
}
type T3 struct {
T0
*T1
T2
}
// Method expressions
func _() {
var (
_ func(T0) = T0.v0
_ = T0.p0 /* ERROR "cannot call pointer method p0 on T0" */
_ func (*T0) = (*T0).v0
_ func (*T0) = (*T0).p0
// T1 is like T0
_ func(T2) = T2.v2
_ func(T2) = T2.p2
_ func(T3) = T3.v0
_ func(T3) = T3.p0 /* ERROR "cannot call pointer method p0 on T3" */
_ func(T3) = T3.v1
_ func(T3) = T3.p1
_ func(T3) = T3.v2
_ func(T3) = T3.p2
_ func(*T3) = (*T3).v0
_ func(*T3) = (*T3).p0
_ func(*T3) = (*T3).v1
_ func(*T3) = (*T3).p1
_ func(*T3) = (*T3).v2
_ func(*T3) = (*T3).p2
)
}
// Method values with addressable receivers
func _() {
var (
v0 T0
_ func() = v0.v0
_ func() = v0.p0
)
var (
p0 *T0
_ func() = p0.v0
_ func() = p0.p0
)
// T1 is like T0
var (
v2 T2
_ func() = v2.v2
_ func() = v2.p2
)
var (
v4 T3
_ func() = v4.v0
_ func() = v4.p0
_ func() = v4.v1
_ func() = v4.p1
_ func() = v4.v2
_ func() = v4.p2
)
var (
p4 *T3
_ func() = p4.v0
_ func() = p4.p0
_ func() = p4.v1
_ func() = p4.p1
_ func() = p4.v2
_ func() = p4.p2
)
}
// Method calls with addressable receivers
func _() {
var v0 T0
v0.v0()
v0.p0()
var p0 *T0
p0.v0()
p0.p0()
// T1 is like T0
var v2 T2
v2.v2()
v2.p2()
var v4 T3
v4.v0()
v4.p0()
v4.v1()
v4.p1()
v4.v2()
v4.p2()
var p4 *T3
p4.v0()
p4.p0()
p4.v1()
p4.p1()
p4.v2()
p4.p2()
}
// Method values with value receivers
func _() {
var (
_ func() = T0{}.v0
_ func() = T0{}.p0 /* ERROR "cannot call pointer method p0 on T0" */
_ func() = (&T0{}).v0
_ func() = (&T0{}).p0
// T1 is like T0
// no values for T2
_ func() = T3{}.v0
_ func() = T3{}.p0 /* ERROR "cannot call pointer method p0 on T3" */
_ func() = T3{}.v1
_ func() = T3{}.p1
_ func() = T3{}.v2
_ func() = T3{}.p2
_ func() = (&T3{}).v0
_ func() = (&T3{}).p0
_ func() = (&T3{}).v1
_ func() = (&T3{}).p1
_ func() = (&T3{}).v2
_ func() = (&T3{}).p2
)
}
// Method calls with value receivers
func _() {
T0{}.v0()
T0{}.p0 /* ERROR "cannot call pointer method p0 on T0" */ ()
(&T0{}).v0()
(&T0{}).p0()
// T1 is like T0
// no values for T2
T3{}.v0()
T3{}.p0 /* ERROR "cannot call pointer method p0 on T3" */ ()
T3{}.v1()
T3{}.p1()
T3{}.v2()
T3{}.p2()
(&T3{}).v0()
(&T3{}).p0()
(&T3{}).v1()
(&T3{}).p1()
(&T3{}).v2()
(&T3{}).p2()
}
// *T has no methods if T is an interface type
func issue5918() {
var (
err error
_ = err.Error()
_ func() string = err.Error
_ func(error) string = error.Error
perr = &err
_ = perr.Error /* ERROR "no field or method" */ ()
_ func() string = perr.Error /* ERROR "no field or method" */
_ func(*error) string = (*error).Error /* ERROR "no field or method" */
)
type T *interface{ m() int }
var (
x T
_ = (*x).m()
_ = (*x).m
_ = x.m /* ERROR "no field or method" */ ()
_ = x.m /* ERROR "no field or method" */
_ = T.m /* ERROR "no field or method" */
)
}
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