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// Copyright 2021 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 a
type Node interface {
Position()
}
type noder struct{}
func (noder) Position() {}
type Scope map[int][]Node
func (s Scope) M1() Scope {
if x, ok := s[0]; ok {
return x[0].(struct {
noder
Scope
}).Scope
}
return nil
}
func (s Scope) M2() Scope {
if x, ok := s[0]; ok {
st, _ := x[0].(struct {
noder
Scope
})
return st.Scope
}
return nil
}
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