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17 lines
638 B
Dart
17 lines
638 B
Dart
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library path.utils;
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import 'characters.dart' as chars;
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/// Returns whether [char] is the code for an ASCII letter (uppercase or
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/// lowercase).
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bool isAlphabetic(int char) =>
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(char >= chars.UPPER_A && char <= chars.UPPER_Z) ||
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(char >= chars.LOWER_A && char <= chars.LOWER_Z);
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/// Returns whether [char] is the code for an ASCII digit.
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bool isNumeric(int char) => char >= chars.ZERO && char <= chars.NINE;
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