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| author | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
|---|---|---|
| committer | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 12:57:26 -0700 |
| commit | 1a78a62555be32868418fe52f8e330c9d0f95d5a (patch) | |
| tree | d3765a80e7d3b9640ec2e930743630cd6b9fce2b /libs/spirit/doc/html/spirit/karma/reference/directive/repeat.html | |
| download | boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.gz boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.tar.bz2 boost-1a78a62555be32868418fe52f8e330c9d0f95d5a.zip | |
Imported Upstream version 1.49.0upstream/1.49.0
Diffstat (limited to 'libs/spirit/doc/html/spirit/karma/reference/directive/repeat.html')
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diff --git a/libs/spirit/doc/html/spirit/karma/reference/directive/repeat.html b/libs/spirit/doc/html/spirit/karma/reference/directive/repeat.html new file mode 100755 index 0000000000..62fb5633fd --- /dev/null +++ b/libs/spirit/doc/html/spirit/karma/reference/directive/repeat.html @@ -0,0 +1,459 @@ +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> +<title>Repetition Generator Directive (repeat[])</title> +<link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css"> +<meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> +<link rel="home" href="../../../../index.html" title="Spirit 2.5.2"> +<link rel="up" href="../directive.html" title="Generator Directives"> +<link rel="prev" href="alignment.html" title="Alignment Generator Directives (left_align[], center[], right_align[])"> +<link rel="next" href="delimit.html" title="Generator Directives Controlling Automatic Delimiting (verbatim[], no_delimit[], delimit[])"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> +<table cellpadding="2" width="100%"><tr> +<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td> +<td align="center"><a href="../../../../../../../../index.html">Home</a></td> +<td align="center"><a href="../../../../../../../../libs/libraries.htm">Libraries</a></td> +<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> +<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> +<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td> +</tr></table> +<hr> +<div class="spirit-nav"> +<a accesskey="p" href="alignment.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../directive.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="delimit.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> +</div> +<div class="section"> +<div class="titlepage"><div><div><h5 class="title"> +<a name="spirit.karma.reference.directive.repeat"></a><a class="link" href="repeat.html" title="Repetition Generator Directive (repeat[])">Repetition + Generator Directive (<code class="computeroutput"><span class="identifier">repeat</span><span class="special">[]</span></code>)</a> +</h5></div></div></div> +<h6> +<a name="spirit.karma.reference.directive.repeat.h0"></a> + <span><a name="spirit.karma.reference.directive.repeat.description"></a></span><a class="link" href="repeat.html#spirit.karma.reference.directive.repeat.description">Description</a> + </h6> +<p> + The repetition directive allows to repeat an arbitrary generator expression + while optionally specifying the lower and upper repetition counts. It + provides a more powerful and flexible mechanism for repeating a generator. + There are grammars that are impractical and cumbersome, if not impossible, + for the basic EBNF iteration syntax ( <a class="link" href="../operator/kleene.html" title="Kleene Star Generator (*a)">unary + <code class="computeroutput"><span class="char">'*'</span></code></a> and the <a class="link" href="../operator/plus.html" title="Plus Generator (+a)">unary + <code class="computeroutput"><span class="char">'+'</span></code></a>) to specify. Examples: + </p> +<div class="itemizedlist"><ul class="itemizedlist" type="disc"> +<li class="listitem"> + A file name may have a maximum of 255 characters only. + </li> +<li class="listitem"> + A specific bitmap file format has exactly 4096 RGB color information. + </li> +<li class="listitem"> + A 256 bit binary string (1..256 1s or 0s). + </li> +</ul></div> +<h6> +<a name="spirit.karma.reference.directive.repeat.h1"></a> + <span><a name="spirit.karma.reference.directive.repeat.header"></a></span><a class="link" href="repeat.html#spirit.karma.reference.directive.repeat.header">Header</a> + </h6> +<pre class="programlisting"><span class="comment">// forwards to <boost/spirit/home/karma/directive/repeat.hpp></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">karma_repeat</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +</pre> +<p> + Also, see <a class="link" href="../../../structure/include.html" title="Include">Include Structure</a>. + </p> +<h6> +<a name="spirit.karma.reference.directive.repeat.h2"></a> + <span><a name="spirit.karma.reference.directive.repeat.namespace"></a></span><a class="link" href="repeat.html#spirit.karma.reference.directive.repeat.namespace">Namespace</a> + </h6> +<div class="informaltable"><table class="table"> +<colgroup><col></colgroup> +<thead><tr><th> + <p> + Name + </p> + </th></tr></thead> +<tbody> +<tr><td> + <p> + <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">repeat</span> <span class="comment">// + alias: boost::spirit::karma::repeat</span></code> + </p> + </td></tr> +<tr><td> + <p> + <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">inf</span> <span class="comment">// alias: + boost::spirit::karma::inf</span></code> + </p> + </td></tr> +</tbody> +</table></div> +<h6> +<a name="spirit.karma.reference.directive.repeat.h3"></a> + <span><a name="spirit.karma.reference.directive.repeat.model_of"></a></span><a class="link" href="repeat.html#spirit.karma.reference.directive.repeat.model_of">Model of</a> + </h6> +<div class="blockquote"><blockquote class="blockquote"><p> + <a class="link" href="../generator_concepts/unarygenerator.html" title="UnaryGenerator"><code class="computeroutput"><span class="identifier">UnaryGenerator</span></code></a> + </p></blockquote></div> +<div class="variablelist"> +<p class="title"><b>Notation</b></p> +<dl> +<dt><span class="term"><code class="computeroutput"><span class="identifier">a</span></code></span></dt> +<dd><p> + A generator object + </p></dd> +<dt><span class="term"><code class="computeroutput"><span class="identifier">num</span><span class="special">,</span> + <span class="identifier">num1</span><span class="special">,</span> + <span class="identifier">num2</span></code></span></dt> +<dd><p> + Numeric literals, any unsigned integer value, or a <a class="link" href="../basics.html#spirit.karma.reference.basics.lazy_argument">Lazy + Argument</a> that evaluates to an unsigned integer value + </p></dd> +<dt><span class="term"><code class="computeroutput"><span class="identifier">inf</span></code></span></dt> +<dd><p> + Placeholder expression standing for 'no upper repeat limit' + </p></dd> +</dl> +</div> +<h6> +<a name="spirit.karma.reference.directive.repeat.h4"></a> + <span><a name="spirit.karma.reference.directive.repeat.expression_semantics"></a></span><a class="link" href="repeat.html#spirit.karma.reference.directive.repeat.expression_semantics">Expression + Semantics</a> + </h6> +<p> + Semantics of an expression is defined only where it differs from, or + is not defined in <a class="link" href="../generator_concepts/unarygenerator.html" title="UnaryGenerator"><code class="computeroutput"><span class="identifier">UnaryGenerator</span></code></a>. + </p> +<div class="informaltable"><table class="table"> +<colgroup> +<col> +<col> +</colgroup> +<thead><tr> +<th> + <p> + Expression + </p> + </th> +<th> + <p> + Semantics + </p> + </th> +</tr></thead> +<tbody> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">repeat</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Repeat the generator <code class="computeroutput"><span class="identifier">a</span></code> + zero or more times. This generator succeeds as long as its + embedded generator <code class="computeroutput"><span class="identifier">a</span></code> + does not fail (except if the underlying output stream reports + an error). This variant of <code class="computeroutput"><span class="identifier">repeat</span><span class="special">[]</span></code> is semantically equivalent + to the <a class="link" href="../operator/kleene.html" title="Kleene Star Generator (*a)">Kleene + Star operator <code class="computeroutput"><span class="special">*</span><span class="identifier">a</span></code></a> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Repeat the generator <code class="computeroutput"><span class="identifier">a</span></code> + exactly <code class="computeroutput"><span class="identifier">num</span></code> + times. This generator succeeds as long as its embedded generator + <code class="computeroutput"><span class="identifier">a</span></code> does not + fail and as long as the associated attribute (container) contains + at least <code class="computeroutput"><span class="identifier">num</span></code> + elements (unless the underlying output stream reports an error). + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num1</span><span class="special">,</span> + <span class="identifier">num2</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Repeat the generator <code class="computeroutput"><span class="identifier">a</span></code> + at least <code class="computeroutput"><span class="identifier">num1</span></code> + times but not more than <code class="computeroutput"><span class="identifier">num2</span></code> + times. This generator succeeds as long as its embedded generator + <code class="computeroutput"><span class="identifier">a</span></code> does not + fail and as long as the associated attribute (container) contains + at least <code class="computeroutput"><span class="identifier">num1</span></code> + elements (unless the underlying output stream reports an error). + If the associated attribute (container) does contain more than + <code class="computeroutput"><span class="identifier">num2</span></code> elements, + this directive limits the repeat count to <code class="computeroutput"><span class="identifier">num2</span></code>. + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num</span><span class="special">,</span> + <span class="identifier">inf</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> + Repeat the generator <code class="computeroutput"><span class="identifier">a</span></code> + at least <code class="computeroutput"><span class="identifier">num1</span></code> + times. No upper limit for the repeat count is set. This generator + succeeds as long as its embedded generator <code class="computeroutput"><span class="identifier">a</span></code> + does not fail and as long as the associated attribute (container) + contains at least <code class="computeroutput"><span class="identifier">num</span></code> + elements (unless the underlying output stream reports an error). + </p> + </td> +</tr> +</tbody> +</table></div> +<div class="note"><table border="0" summary="Note"> +<tr> +<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../images/note.png"></td> +<th align="left">Note</th> +</tr> +<tr><td align="left" valign="top"><p> + All failing iterations of the embedded generator will consume one element + from the supplied attribute. The overall <code class="computeroutput"><span class="identifier">repeat</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code> will succeed as long as the iteration + criteria (number of successful invocations of the embedded generator) + is fulfilled (unless the underlying output stream reports an error). + </p></td></tr> +</table></div> +<h6> +<a name="spirit.karma.reference.directive.repeat.h5"></a> + <span><a name="spirit.karma.reference.directive.repeat.attributes"></a></span><a class="link" href="repeat.html#spirit.karma.reference.directive.repeat.attributes">Attributes</a> + </h6> +<p> + See <a class="link" href="../../quick_reference/compound_attribute_rules.html#spirit.karma.quick_reference.compound_attribute_rules.notation">Compound + Attribute Notation</a>. + </p> +<div class="informaltable"><table class="table"> +<colgroup> +<col> +<col> +</colgroup> +<thead><tr> +<th> + <p> + Expression + </p> + </th> +<th> + <p> + Attribute + </p> + </th> +</tr></thead> +<tbody> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">repeat</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">repeat</span><span class="special">[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">vector</span><span class="special"><</span><span class="identifier">A</span><span class="special">></span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">repeat</span><span class="special">[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">vector</span><span class="special"><</span><span class="identifier">A</span><span class="special">></span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num1</span><span class="special">,</span> + <span class="identifier">num2</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num1</span><span class="special">,</span> <span class="identifier">num2</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">vector</span><span class="special"><</span><span class="identifier">A</span><span class="special">></span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num1</span><span class="special">,</span> <span class="identifier">num2</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +<tr> +<td> + <p> + <code class="computeroutput"><span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num</span><span class="special">,</span> + <span class="identifier">inf</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]</span></code> + </p> + </td> +<td> + <p> +</p> +<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"><span class="identifier">a</span><span class="special">:</span> <span class="identifier">A</span> <span class="special">--></span> <span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num</span><span class="special">,</span> <span class="identifier">inf</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">vector</span><span class="special"><</span><span class="identifier">A</span><span class="special">></span> +<span class="identifier">a</span><span class="special">:</span> <span class="identifier">Unused</span> <span class="special">--></span> <span class="identifier">repeat</span><span class="special">(</span><span class="identifier">num</span><span class="special">,</span> <span class="identifier">inf</span><span class="special">)[</span><span class="identifier">a</span><span class="special">]:</span> <span class="identifier">Unused</span></pre> +<p> + </p> + </td> +</tr> +</tbody> +</table></div> +<div class="important"><table border="0" summary="Important"> +<tr> +<td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="../../../../images/important.png"></td> +<th align="left">Important</th> +</tr> +<tr><td align="left" valign="top"> +<p> + The table above uses <code class="computeroutput"><span class="identifier">vector</span><span class="special"><</span><span class="identifier">A</span><span class="special">></span></code> as placeholders only. + </p> +<p> + The notation of <code class="computeroutput"><span class="identifier">vector</span><span class="special"><</span><span class="identifier">A</span><span class="special">></span></code> stands for <span class="emphasis"><em>any STL container</em></span> + holding elements of type <code class="computeroutput"><span class="identifier">A</span></code>. + </p> +</td></tr> +</table></div> +<p> + It is important to note, that the <code class="computeroutput"><span class="identifier">repeat</span><span class="special">[]</span></code> directive does not perform any buffering + of the output generated by its embedded elements. That means that any + failing element generator might have already generated some output, which + is <span class="emphasis"><em>not</em></span> rolled back. + </p> +<div class="tip"><table border="0" summary="Tip"> +<tr> +<td rowspan="2" align="center" valign="top" width="25"><img alt="[Tip]" src="../../../../images/tip.png"></td> +<th align="left">Tip</th> +</tr> +<tr><td align="left" valign="top"> +<p> + The simplest way to force a <code class="computeroutput"><span class="identifier">repeat</span><span class="special">[]</span></code> directive to behave as if it did + buffering is to wrap it into a buffering directive (see <a class="link" href="buffer.html" title="Generator Directive for Temporary Output Buffering (buffer[])"><code class="computeroutput"><span class="identifier">buffer</span></code></a>): + </p> +<p> +</p> +<pre class="programlisting"><span class="identifier">buffer</span><span class="special">[</span><span class="identifier">repeat</span><span class="special">[</span><span class="identifier">a</span><span class="special">]]</span></pre> +<p> + </p> +<p> + which will <span class="emphasis"><em>not</em></span> generate any output in case of + a failing generator <code class="computeroutput"><span class="identifier">repeat</span><span class="special">[</span><span class="identifier">a</span><span class="special">]</span></code>. The expression: + </p> +<p> +</p> +<pre class="programlisting"><span class="identifier">repeat</span><span class="special">[</span><span class="identifier">buffer</span><span class="special">[</span><span class="identifier">a</span><span class="special">]]</span></pre> +<p> + </p> +<p> + will not generate any partial output from a generator <code class="computeroutput"><span class="identifier">a</span></code> if it fails generating in the middle + of its output. The overall expression will still generate the output + as produced by all succeeded invocations of the generator <code class="computeroutput"><span class="identifier">a</span></code>. + </p> +</td></tr> +</table></div> +<h6> +<a name="spirit.karma.reference.directive.repeat.h6"></a> + <span><a name="spirit.karma.reference.directive.repeat.complexity"></a></span><a class="link" href="repeat.html#spirit.karma.reference.directive.repeat.complexity">Complexity</a> + </h6> +<div class="blockquote"><blockquote class="blockquote"><p> + The overall complexity of the repetition generator is defined by the + complexity of its embedded generator. The complexity of the repeat + itself is O(N), where N is the number of repetitions to execute. + </p></blockquote></div> +<h6> +<a name="spirit.karma.reference.directive.repeat.h7"></a> + <span><a name="spirit.karma.reference.directive.repeat.example"></a></span><a class="link" href="repeat.html#spirit.karma.reference.directive.repeat.example">Example</a> + </h6> +<div class="note"><table border="0" summary="Note"> +<tr> +<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../images/note.png"></td> +<th align="left">Note</th> +</tr> +<tr><td align="left" valign="top"><p> + The test harness for the example(s) below is presented in the <a class="link" href="../basics.html#spirit.karma.reference.basics.examples">Basics Examples</a> + section. + </p></td></tr> +</table></div> +<p> + Some includes: + </p> +<p> +</p> +<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">karma</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">support_utree</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">phoenix_core</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">phoenix_operator</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">std_pair</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span> +<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">string</span><span class="special">></span> +</pre> +<p> + </p> +<p> + Some using declarations: + </p> +<p> +</p> +<pre class="programlisting"><span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">karma</span><span class="special">::</span><span class="identifier">double_</span><span class="special">;</span> +<span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">karma</span><span class="special">::</span><span class="identifier">repeat</span><span class="special">;</span> +</pre> +<p> + </p> +<p> + Basic usage of <code class="computeroutput"><span class="identifier">repeat</span></code> + generator directive: + </p> +<p> +</p> +<pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special"><</span><span class="keyword">double</span><span class="special">></span> <span class="identifier">v</span><span class="special">;</span> +<span class="identifier">v</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span><span class="number">1.0</span><span class="special">);</span> +<span class="identifier">v</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span><span class="number">2.0</span><span class="special">);</span> +<span class="identifier">v</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span><span class="number">3.0</span><span class="special">);</span> + +<span class="identifier">test_generator_attr</span><span class="special">(</span><span class="string">"[1.0][2.0][3.0]"</span><span class="special">,</span> <span class="identifier">repeat</span><span class="special">[</span><span class="char">'['</span> <span class="special"><<</span> <span class="identifier">double_</span> <span class="special"><<</span> <span class="char">']'</span><span class="special">],</span> <span class="identifier">v</span><span class="special">);</span> +<span class="identifier">test_generator_attr</span><span class="special">(</span><span class="string">"[1.0][2.0]"</span><span class="special">,</span> <span class="identifier">repeat</span><span class="special">(</span><span class="number">2</span><span class="special">)[</span><span class="char">'['</span> <span class="special"><<</span> <span class="identifier">double_</span> <span class="special"><<</span> <span class="char">']'</span><span class="special">],</span> <span class="identifier">v</span><span class="special">);</span> + +<span class="comment">// fails because of insufficient number of items</span> +<span class="identifier">test_generator_attr</span><span class="special">(</span><span class="string">""</span><span class="special">,</span> <span class="identifier">repeat</span><span class="special">(</span><span class="number">4</span><span class="special">)[</span><span class="char">'['</span> <span class="special"><<</span> <span class="identifier">double_</span> <span class="special"><<</span> <span class="char">']'</span><span class="special">],</span> <span class="identifier">v</span><span class="special">);</span> +</pre> +<p> + </p> +</div> +<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> +<td align="left"></td> +<td align="right"><div class="copyright-footer">Copyright © 2001-2011 Joel de Guzman, Hartmut Kaiser<p> + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) + </p> +</div></td> +</tr></table> +<hr> +<div class="spirit-nav"> +<a accesskey="p" href="alignment.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../directive.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="delimit.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> +</div> +</body> +</html> |