1<html lang="en"> 2<head> 3<title>c99-like fast enumeration syntax - Using the GNU Compiler Collection (GCC)</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Using the GNU Compiler Collection (GCC)"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="up" href="Fast-enumeration.html#Fast-enumeration" title="Fast enumeration"> 9<link rel="prev" href="Using-fast-enumeration.html#Using-fast-enumeration" title="Using fast enumeration"> 10<link rel="next" href="Fast-enumeration-details.html#Fast-enumeration-details" title="Fast enumeration details"> 11<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 12<!-- 13Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 141998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 152010 Free Software Foundation, Inc. 16 17Permission is granted to copy, distribute and/or modify this document 18under the terms of the GNU Free Documentation License, Version 1.3 or 19any later version published by the Free Software Foundation; with the 20Invariant Sections being ``Funding Free Software'', the Front-Cover 21Texts being (a) (see below), and with the Back-Cover Texts being (b) 22(see below). A copy of the license is included in the section entitled 23``GNU Free Documentation License''. 24 25(a) The FSF's Front-Cover Text is: 26 27 A GNU Manual 28 29(b) The FSF's Back-Cover Text is: 30 31 You have freedom to copy and modify this GNU Manual, like GNU 32 software. Copies published by the Free Software Foundation raise 33 funds for GNU development.--> 34<meta http-equiv="Content-Style-Type" content="text/css"> 35<style type="text/css"><!-- 36 pre.display { font-family:inherit } 37 pre.format { font-family:inherit } 38 pre.smalldisplay { font-family:inherit; font-size:smaller } 39 pre.smallformat { font-family:inherit; font-size:smaller } 40 pre.smallexample { font-size:smaller } 41 pre.smalllisp { font-size:smaller } 42 span.sc { font-variant:small-caps } 43 span.roman { font-family:serif; font-weight:normal; } 44 span.sansserif { font-family:sans-serif; font-weight:normal; } 45--></style> 46<link rel="stylesheet" type="text/css" href="../cs.css"> 47</head> 48<body> 49<div class="node"> 50<a name="c99-like-fast-enumeration-syntax"></a> 51<a name="c99_002dlike-fast-enumeration-syntax"></a> 52<p> 53Next: <a rel="next" accesskey="n" href="Fast-enumeration-details.html#Fast-enumeration-details">Fast enumeration details</a>, 54Previous: <a rel="previous" accesskey="p" href="Using-fast-enumeration.html#Using-fast-enumeration">Using fast enumeration</a>, 55Up: <a rel="up" accesskey="u" href="Fast-enumeration.html#Fast-enumeration">Fast enumeration</a> 56<hr> 57</div> 58 59<h4 class="subsection">8.9.2 c99-like fast enumeration syntax</h4> 60 61<p>A c99-like declaration syntax is also allowed: 62 63<pre class="smallexample"> id array = ...; 64 65 for (id object in array) 66 { 67 /* Do something with 'object' */ 68 } 69</pre> 70 <p>this is completely equivalent to: 71 72<pre class="smallexample"> id array = ...; 73 74 { 75 id object; 76 for (object in array) 77 { 78 /* Do something with 'object' */ 79 } 80 } 81</pre> 82 <p>but can save some typing. 83 84 <p>Note that the option <samp><span class="option">-std=c99</span></samp> is not required to allow this 85syntax in Objective-C. 86 87<!-- ================================ --> 88 </body></html> 89 90