doc/api/classes/ActiveSupport/CoreExtensions/String/Iterators.html
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<title>Module: ActiveSupport::CoreExtensions::String::Iterators</title>
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<td><strong>Module</strong></td>
<td class="class-name-in-header">ActiveSupport::CoreExtensions::String::Iterators</td>
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<td><strong>In:</strong></td>
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<a href="../../../../files/vendor/rails/activesupport/lib/active_support/core_ext/string/iterators_rb.html">
vendor/rails/activesupport/lib/active_support/core_ext/string/iterators.rb
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<p>
Custom string iterators
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<h3 class="section-bar">Methods</h3>
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<a href="#M000446">each_char</a>
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<h3 class="section-bar">Public Instance methods</h3>
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<span class="method-name">each_char</span><span class="method-args">() {|scanner.scan(char || break)| ...}</span>
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<p>
Yields a single-character string for each character in the string. When
$KCODE = ‘UTF8’, multi-byte characters are yielded
appropriately.
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onclick="toggleCode('M000446-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000446-source">
<pre>
<span class="ruby-comment cmt"># File vendor/rails/activesupport/lib/active_support/core_ext/string/iterators.rb, line 10</span>
10: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">each_char</span>
11: <span class="ruby-identifier">scanner</span>, <span class="ruby-identifier">char</span> = <span class="ruby-constant">StringScanner</span>.<span class="ruby-identifier">new</span>(<span class="ruby-keyword kw">self</span>), <span class="ruby-regexp re">/./</span><span class="ruby-identifier">mu</span>
12: <span class="ruby-identifier">loop</span> { <span class="ruby-keyword kw">yield</span>(<span class="ruby-identifier">scanner</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-identifier">char</span>) <span class="ruby-operator">||</span> <span class="ruby-keyword kw">break</span>) }
13: <span class="ruby-keyword kw">end</span>
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