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<html><head>
<title>FBB::repeat</title>
<link rev="made" href="mailto:Frank B. Brokken: f.b.brokken@rug.nl">
</head>
<body text="#27408B" bgcolor="#FFFAF0">
<hr>
<h1>FBB::repeat</h1>
<h2>libbobcat-dev_3.23.01-x.tar.gz</h2>
<h2>2005-2014</h2>

<html><head>
<link rev="made" href="mailto:Frank B. Brokken: f.b.brokken@rug.nl">
</head>
<body text="#27408B" bgcolor="#FFFAF0">
<hr>
<h1></h1>

<html><head>
<title>FBB::repeat(3bobcat)</title>
<link rev="made" href="mailto:Frank B. Brokken: f.b.brokken@rug.nl">
</head>
<body text="#27408B" bgcolor="#FFFAF0">
<hr>
<h1>FBB::repeat(3bobcat)</h1>
<h2>libbobcat-dev_3.23.01-x.tar.gz repeated function calls</h2>
<h2>2005-2014</h2>


<p>
<h2>NAME</h2>FBB::repeat - call a (member) function a fixed number of times
<p>
<h2>SYNOPSIS</h2>
    <strong>#include &lt;bobcat/repeat&gt;</strong><br>
<p>
<h2>DESCRIPTION</h2>
<p>
The <strong>FBB::repeat</strong> function template allows a function or member function to
be called a certain number of times. The functions or member functions may
define arguments. Arguments to these functions are specified when <em>repeat</em>
is called, and are perfectly forwarded by the <em>repeat</em> function
template to the (member) function called by <em>repeat</em>.
<p>
The first argument of the <em>repeat</em> function template defines the number of 
times the (member) function must be called.
<p>
The <em>FBB::repeat</em> function template are defined <em>inline</em>,
allowing the compiler to `optimize away' the <em>repeat</em> function call 
itself.
<p>
<h2>NAMESPACE</h2>
    <strong>FBB</strong><br>
    All constructors, members, operators and manipulators, mentioned in this
man-page, are defined in the namespace <strong>FBB</strong>.
<p>
<h2>INHERITS FROM</h2>
    -
<p>
<h2>REPEAT FUNCTION TEMPLATE</h2>
    The <em>repeat</em> function template is declared as:
    <pre>

template &lt;typename Counter, typename First, typename ...Params&gt;
void repeat(Counter counter, First &amp;&amp;first, Params &amp;&amp;...params);
    
</pre>

    In this declaration,
    <ul>
    <li> <strong>Counter</strong> represents the counter's type. Usually an <em>int</em> or
        <em>size_t</em>. When calling <em>repeat</em> <em>counter</em> must be initialized to
        the number of times <em>repeat</em> must call the (member) function (see
        below);
    <li> <strong>First</strong> represents the prototype of a function or the name of a
        class.  name of a class. Likewise, <em>first</em> either is the address
        (name) of the function to be called or the name of an object of class
        type <em>First</em>. In the latter case the object may or may not be a
        <em>const</em> object.
    <li> <strong>...Params</strong> represents the set of parameter types of arguments
        which must be perfectly forwarded to the called function. If <em>first</em>
        represents a class type object, the first argument <em>must</em> be the
        address of a member function of the class <em>First</em>.
    </ul>
<p>
<h2>EXAMPLES</h2>
    <pre>
#include &lt;iostream&gt;
#include &lt;iterator&gt;
#include &lt;algorithm&gt;

#include "../repeat"

using namespace std;
using namespace FBB;

class Object
{
    public:
        void member(int argc, char **argv) const;
        void member2(size_t &amp;rept, int argc, char **argv);
};

void Object::member(int argc, char **argv) const
{
    cout &lt;&lt; "member called\n";
    copy(argv, argv + argc, ostream_iterator&lt;char const *&gt;(cout, "\n"));
}

void Object::member2(size_t &amp;rept, int argc, char **argv)
{
    cout &lt;&lt; "member2 called, iteration " &lt;&lt; rept++ &lt;&lt; "\n";
    copy(argv, argv + argc, ostream_iterator&lt;char const *&gt;(cout, "\n"));
}

void fun()
{
    cout &lt;&lt; "Fun called\n";
}

int main(int argc, char **argv)
{
    Object object;

    cout &lt;&lt; "\n"
            "*** The number of arguments determines the repeat-count ***\n\n";

    cout &lt;&lt; "Fun without arguments:\n";
    repeat(argc, fun);

    cout &lt;&lt; "Object receiving argc and argv:\n";
    repeat(argc, object, &amp;Object::member, argc, argv);

    cout &lt;&lt; "Object receiving argc and argv, showing the iteration count:\n";
    size_t count = 0;
    repeat(argc, object, &amp;Object::member2, count, argc, argv);

    Object const obj;
    cout &lt;&lt; "Const Object receiving argc and argv:\n";
    repeat(argc, obj, &amp;Object::member, argc, argv);

}



</pre>

<p>
<h2>FILES</h2>
    <em>bobcat/repeat</em> - defines the class interface
<p>
<h2>SEE ALSO</h2>
    <strong>bobcat</strong>(7)
<p>
<h2>BUGS</h2>
    Be careful when using overloaded functions, as the template argument
        resolution mechanism may be unable to determine which function to
        call. If overloaded functions must be used, a <em>static_cast</em> is
        likely required to disambiguate your intentions.
<p>

<h2>DISTRIBUTION FILES</h2>
    <ul>
    <li> <em>bobcat_3.23.01-x.dsc</em>: detached signature;
    <li> <em>bobcat_3.23.01-x.tar.gz</em>: source archive;
    <li> <em>bobcat_3.23.01-x_i386.changes</em>: change log;
    <li> <em>libbobcat1_3.23.01-x_*.deb</em>: debian package holding the
            libraries;
    <li> <em>libbobcat1-dev_3.23.01-x_*.deb</em>: debian package holding the
            libraries, headers and manual pages;
    <li> <em>http://sourceforge.net/projects/bobcat</em>: public archive location;
    </ul>
<p>
<h2>BOBCAT</h2>
    Bobcat is an acronym of `Brokken's Own Base Classes And Templates'.
<p>
<h2>COPYRIGHT</h2>
    This is free software, distributed under the terms of the 
    GNU General Public License (GPL).
<p>
<h2>AUTHOR</h2>
    Frank B. Brokken (<strong>f.b.brokken@rug.nl</strong>).
<p>

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