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// Copyright 2014-2021 Ulrich Kunitz. 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 xz
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import "hash"
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type noneHash struct{}
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func (h noneHash) Write(p []byte) (n int, err error) { return len(p), nil }
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func (h noneHash) Sum(b []byte) []byte { return b }
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func (h noneHash) Reset() {}
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func (h noneHash) Size() int { return 0 }
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func (h noneHash) BlockSize() int { return 0 }
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func newNoneHash() hash.Hash {
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return &noneHash{}
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}
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