go embed2 源码
golang embed2 代码
文件路径：/test/interface/embed2.go
// errorcheck
// 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 methods derived from embedded interface and *interface values.
package main
import "os"
const Value = 1e12
type Inter interface {
M() int64
}
type T int64
func (t T) M() int64 { return int64(t) }
var t = T(Value)
var pt = &t
var ti Inter = t
var pti = &ti
type S struct{ Inter }
var s = S{ti}
var ps = &s
type SP struct{ *Inter } // ERROR "interface"
var i Inter
var pi = &i
var ok = true
func check(s string, v int64) {
if v != Value {
println(s, v)
ok = false
}
}
func main() {
check("t.M()", t.M())
check("pt.M()", pt.M())
check("ti.M()", ti.M())
check("pti.M()", pti.M()) // ERROR "pointer to interface, not interface|no field or method M"
check("s.M()", s.M())
check("ps.M()", ps.M())
i = t
check("i = t; i.M()", i.M())
check("i = t; pi.M()", pi.M()) // ERROR "pointer to interface, not interface|no field or method M"
i = pt
check("i = pt; i.M()", i.M())
check("i = pt; pi.M()", pi.M()) // ERROR "pointer to interface, not interface|no field or method M"
i = s
check("i = s; i.M()", i.M())
check("i = s; pi.M()", pi.M()) // ERROR "pointer to interface, not interface|no field or method M"
i = ps
check("i = ps; i.M()", i.M())
check("i = ps; pi.M()", pi.M()) // ERROR "pointer to interface, not interface|no field or method M"
if !ok {
println("BUG: interface10")
os.Exit(1)
}
}
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