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<h1 id="title">FBB::X2a(3bobcat)</h1>
<h2 id="author">X-to-ASCII conversions<br/>(libbobcat-dev_4.08.02-x.tar.gz)</h2>
<h2 id="date">2005-2017</h2>
<p>
<h2 >NAME</h2>FBB::X2a - Objects performing x-to-Ascii conversions
<p>
<h2 >SYNOPSIS</h2>
<strong >#include <bobcat/x2a></strong><br/>
Linking option: <em >-lbobcat</em>
<p>
<h2 >DESCRIPTION</h2>
<strong >FBB:X2a</strong> objects convert values of any (insertable) type to text. The
returned text is automatically made available as a standard <strong >C++</strong> string.
<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>
<strong >std::ostringstream</strong>
<p>
<h2 >CONSTRUCTORS</h2>
<ul>
<li> <strong >X2a(T const &value)</strong>:<br/>
In this constructor <em >T</em> may be any type that can be inserted into an
<em >o[string]stream</em>.
<li> <strong >X2a(double value, size_t behind)</strong>:<br/>
Double <em >value</em> is truncated to <em >behind</em> digits behind the decimal
dot. If a value doesn't occupy <em >behind</em> digits behind the decimal point,
then missing digits are added as <em >0</em>. For example, a value of 7.1, will be
displayed as 7.10 if two digits behind the decimal dot are requested. A value
of 7 will be displayed as 7.00.
<p>
<li> <strong >X2a(double value, size_t width, size_t behind, std::ios::fmtflags
flags = std::ios::right)</strong>:<br/>
The value is displayed over <em >width</em> character positions, extending
the amount if the value so requires. The converted value is placed
right-aligned into the field of <em >width</em> characters.
</ul>
The copy constructor is available as well.
<p>
<h2 >STATIC MEMBER FUNCTION</h2>
<ul>
<li> <strong >bool lastFail()</strong>:<br/>
This member returns <em >true</em> if the last conversion failed (i.e., the
object's <em >fail()</em> member returned <em >true</em> and returns <em >false</em> otherwise).
This member allows checks on the success of the extraction/conversion using
anonymous <em >A2x</em> objects. The member also returns <em >true</em> when no
conversions have as yet been performed.<br/>
Note that this member is a thread-unsafe <em >static</em> member: in a
multithreaded program locks may be required to ensure that the proper
conversion result is inspected.
</ul>
<p>
<h2 >MEMBER FUNCTIONS</h2>
All members of <strong >std::ostringstream</strong> are
available, as <strong >FBB::X2a</strong> inherits from this class. In particular
<em >ostringstream::str()</em> can be used to obtain the contents of an <em >X2a</em>
object's text buffer.
<p>
<h2 >OVERLOADED OPERATORS</h2>
<ul>
<li> <strong >operator std::ostream &operator<<(std::ostream &ostr, X2a const &x2a)</strong>:<br/>
This conversion operator inserts the textual representation of the
<em >x2a</em> parameter value into the provided <em >ostream</em>.
<li> <strong >operator std::string const() const</strong>:<br/>
this conversion operator returns the information stored inside the
<strong >FBB::X2a</strong> object.
</ul>
The standard overloaded assignment operator is available as well.
<p>
<h2 >EXAMPLE</h2>
<pre>
string is(X2a(5)); // initializes `is' with "5"
string ds(X2a(5.25)); // initializes `ds' with "5.25"
cout << X2a(7.0 / 3, 4) << endl;
// display a value using 4 digits behind the
// decimal dot.
cout << X2a(7.0 / 3, 8, 4) << endl;
// display a value over 8 positions, right
// adjusted, 4 digits behind the decimal dot.
cout << X2a(7.0 / 3, 8, 4, std::ios::left) << endl;
// display a value over 8 positions, left
// adjusted, 4 digits behind the decimal dot.
</pre>
<p>
<h2 >FILES</h2>
<em >bobcat/x2a</em> - defines the class interface
<p>
<h2 >SEE ALSO</h2>
<strong >bobcat</strong>(7), <strong >a2x</strong>(3bobcat)
<p>
<h2 >BUGS</h2>
The functionality of this class is to a large extent also offered by the
<strong >C++</strong> function <em >std::to_string</em>.
<p>
<h2 >DISTRIBUTION FILES</h2>
<ul>
<li> <em >bobcat_4.08.02-x.dsc</em>: detached signature;
<li> <em >bobcat_4.08.02-x.tar.gz</em>: source archive;
<li> <em >bobcat_4.08.02-x_i386.changes</em>: change log;
<li> <em >libbobcat1_4.08.02-x_*.deb</em>: debian package holding the
libraries;
<li> <em >libbobcat1-dev_4.08.02-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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