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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 trie
import (
"strconv"
"sync/atomic"
)
// Scope represents a distinct collection of maps.
// Maps with the same Scope can be equal. Maps in different scopes are distinct.
// Each Builder creates maps within a unique Scope.
type Scope struct {
id int32
}
var nextScopeId int32
func newScope() Scope {
id := atomic.AddInt32(&nextScopeId, 1)
return Scope{id: id}
}
func (s Scope) String() string {
return strconv.Itoa(int(s.id))
}
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