38 lines
933 B
Go
38 lines
933 B
Go
// Copyright 2020 The Go Authors. 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 maphash_test
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import (
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"fmt"
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"hash/maphash"
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)
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func Example() {
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// The zero Hash value is valid and ready to use; setting an
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// initial seed is not necessary.
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var h maphash.Hash
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// Add a string to the hash, and print the current hash value.
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h.WriteString("hello, ")
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fmt.Printf("%#x\n", h.Sum64())
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// Append additional data (in the form of a byte array).
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h.Write([]byte{'w', 'o', 'r', 'l', 'd'})
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fmt.Printf("%#x\n", h.Sum64())
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// Reset discards all data previously added to the Hash, without
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// changing its seed.
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h.Reset()
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// Use SetSeed to create a new Hash h2 which will behave
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// identically to h.
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var h2 maphash.Hash
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h2.SetSeed(h.Seed())
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h.WriteString("same")
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h2.WriteString("same")
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fmt.Printf("%#x == %#x\n", h.Sum64(), h2.Sum64())
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}
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