// Copyright 2017 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 go1.9packageblake2simport("crypto""hash")funcinit(){newHash256:=func()hash.Hash{h,_:=New256(nil)returnh}crypto.RegisterHash(crypto.BLAKE2s_256,newHash256)}