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22 lines
689 B
22 lines
689 B
3 years ago
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// Copyright 2018 by David A. Golden. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
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package stringprep
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// Mapping represents a stringprep mapping, from a single rune to zero or more
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// runes.
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type Mapping map[rune][]rune
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// Map maps a rune to a (possibly empty) rune slice via a stringprep Mapping.
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// The ok return value is false if the rune was not found.
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func (m Mapping) Map(r rune) (replacement []rune, ok bool) {
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rs, ok := m[r]
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if !ok {
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return nil, false
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}
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return rs, true
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}
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