// 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 | |
} |