Index: pkg/path/lib/src/utils.dart |
diff --git a/pkg/path/lib/src/utils.dart b/pkg/path/lib/src/utils.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..0636261c7dc74e31c52d20dfbbb66556f29bf75f |
--- /dev/null |
+++ b/pkg/path/lib/src/utils.dart |
@@ -0,0 +1,16 @@ |
+// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+ |
+library path.utils; |
+ |
+import 'characters.dart' as chars; |
+ |
+/// Returns whether [char] is the code for an ASCII letter (uppercase or |
+/// lowercase). |
+bool isAlphabetic(int char) => |
+ (char >= chars.UPPER_A && char <= chars.UPPER_Z) || |
+ (char >= chars.LOWER_A && char <= chars.LOWER_Z); |
+ |
+/// Returns whether [char] is the code for an ASCII digit. |
+bool isNumeric(int char) => char >= chars.ZERO && char <= chars.NINE; |