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37 lines
543 B
Go
37 lines
543 B
Go
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package a
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type Node interface {
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Position()
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}
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type noder struct{}
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func (noder) Position() {}
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type Scope map[int][]Node
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func (s Scope) M1() Scope {
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if x, ok := s[0]; ok {
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return x[0].(struct {
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noder
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Scope
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}).Scope
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}
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return nil
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}
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func (s Scope) M2() Scope {
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if x, ok := s[0]; ok {
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st, _ := x[0].(struct {
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noder
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Scope
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})
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return st.Scope
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}
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return nil
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}
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