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) 1988-2013 Free Software Foundation, Inc. 14 15Permission is granted to copy, distribute and/or modify this document 16under the terms of the GNU Free Documentation License, Version 1.3 or 17any later version published by the Free Software Foundation; with the 18Invariant Sections being ``Funding Free Software'', the Front-Cover 19Texts being (a) (see below), and with the Back-Cover Texts being (b) 20(see below). A copy of the license is included in the section entitled 21``GNU Free Documentation License''. 22 23(a) The FSF's Front-Cover Text is: 24 25 A GNU Manual 26 27(b) The FSF's Back-Cover Text is: 28 29 You have freedom to copy and modify this GNU Manual, like GNU 30 software. Copies published by the Free Software Foundation raise 31 funds for GNU development.--> 32<meta http-equiv="Content-Style-Type" content="text/css"> 33<style type="text/css"><!-- 34 pre.display { font-family:inherit } 35 pre.format { font-family:inherit } 36 pre.smalldisplay { font-family:inherit; font-size:smaller } 37 pre.smallformat { font-family:inherit; font-size:smaller } 38 pre.smallexample { font-size:smaller } 39 pre.smalllisp { font-size:smaller } 40 span.sc { font-variant:small-caps } 41 span.roman { font-family:serif; font-weight:normal; } 42 span.sansserif { font-family:sans-serif; font-weight:normal; } 43--></style> 44<link rel="stylesheet" type="text/css" href="../cs.css"> 45</head> 46<body> 47<div class="node"> 48<a name="c99-like-fast-enumeration-syntax"></a> 49<a name="c99_002dlike-fast-enumeration-syntax"></a> 50<p> 51Next: <a rel="next" accesskey="n" href="Fast-enumeration-details.html#Fast-enumeration-details">Fast enumeration details</a>, 52Previous: <a rel="previous" accesskey="p" href="Using-fast-enumeration.html#Using-fast-enumeration">Using fast enumeration</a>, 53Up: <a rel="up" accesskey="u" href="Fast-enumeration.html#Fast-enumeration">Fast enumeration</a> 54<hr> 55</div> 56 57<h4 class="subsection">8.9.2 c99-like fast enumeration syntax</h4> 58 59<p>A c99-like declaration syntax is also allowed: 60 61<pre class="smallexample"> id array = ...; 62 63 for (id object in array) 64 { 65 /* Do something with 'object' */ 66 } 67</pre> 68 <p>this is completely equivalent to: 69 70<pre class="smallexample"> id array = ...; 71 72 { 73 id object; 74 for (object in array) 75 { 76 /* Do something with 'object' */ 77 } 78 } 79</pre> 80 <p>but can save some typing. 81 82 <p>Note that the option <samp><span class="option">-std=c99</span></samp> is not required to allow this 83syntax in Objective-C. 84 85<!-- ================================ --> 86 </body></html> 87 88