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67 lines
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2.4 KiB
HTML
67 lines
No EOL
2.4 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<html lang="en">
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<head>
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<meta http-equiv="Content-Language" content="en-us">
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Comments</title>
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<link rel="stylesheet" type="text/css" href="../help.css">
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</head>
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<body>
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<h1>Comments</h1>
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<p>Comments are lines in a source file that have been marked to be ignored by the compiler.
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Two styles of comments are supported by current C/C++ compilers:</p>
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<ul>
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<li><samp>/* text */</samp></li>
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<li><samp>// text</samp></li>
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</ul>
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<h3>Comment</h3>
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<p>You can quickly comment out one or more lines of code by inserting the leading
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characters <samp>//</samp> at the beginning of the line. To do so, select the line
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(or lines) of code you want to comment out and press <b>CTRL+/</b> (slash).</p>
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<h3>Uncomment</h3>
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<p>To uncomment select the line (or lines) of code, and press <b>CTRL+\</b>
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(backslash).
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<p><b>Tip:</b> The characters <samp>/* */</samp> on lines that are
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already commented out, are not affected when you comment and uncomment code.</p>
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<h3>Multiline comment</h3>
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<p>You can use the Content Assist feature to insert a multi-line comment before a function.
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Type <tt>com+Ctrl+Space</tt>, and the following code is entered at the cursor location:
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<br><pre>
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/*
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* author userid
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*
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* To change this generated comment edit the template variable "comment":
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* Window>Preferences>C>Templates.
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*/
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</pre>
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To change the default comment click <b>Window > Preferences > C > Templates</b>. For more information see the
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<a href="cdt_c_content_assist.htm">Content Assist</a> section.
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<p><img border="0" src="../images/ngconcepts.gif" ALT="Related concepts" width="143" height="21">
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<br>
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<a href="cdt_c_content_assist.htm">Content Assist and code completion</a></p>
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<p><img border="0" src="../images/ngtasks.gif" ALT="Related tasks" width="143" height="21">
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<br>
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<a href="../tasks/cdt_t_cust_cpp_editor.htm">Customizing the C++ editor</a><br>
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<a href="../tasks/cdt_t_comment_out.htm">Commenting out code</a></p>
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<p><img border="0" src="../images/ngref.gif" ALT="Related reference" width="143" height="21">
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<br>
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<a href="../reference/cdt_o_ceditor_pref.htm">C/C++ editor, code templates and search
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preferences</a></p>
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<p>
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<img src="../images/rh03_04.gif" ALT="Red Hat Copyright Statement"><br>
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<img src="../images/ng00_04a.gif" ALT=" IBM Copyright Statement" >
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</p>
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</body>
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</html> |