go issue43112 源码
golang issue43112 代码
文件路径：/test/fixedbugs/issue43112.go
// compile
// Copyright 2020 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 p
type Symbol interface{}
type Value interface {
String() string
}
type Object interface {
String() string
}
type Scope struct {
outer *Scope
elems map[string]Object
}
func (s *Scope) findouter(name string) (*Scope, Object) {
return s.outer.findouter(name)
}
func (s *Scope) Resolve(name string) (sym Symbol) {
if _, obj := s.findouter(name); obj != nil {
sym = obj.(Symbol)
}
return
}
type ScopeName struct {
scope *Scope
}
func (n *ScopeName) Get(name string) (Value, error) {
return n.scope.Resolve(name).(Value), nil
}
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