// Copyright 2019 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. // +build go1.9 package syncmap import "sync" // home to the standard library's sync.map implementation as of Go 1.9 // Map is a concurrent map with amortized-constant-time loads, stores, and deletes. // It is safe for multiple goroutines to call a Map's methods concurrently. // // The zero Map is valid and empty. // // A Map must not be copied after first use. type Map = sync.Map