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<H2>logic_error</H2>
<P><B>Library:</B>&nbsp;&nbsp;<A HREF="2-3.html">Diagnostics</A></P>

<PRE><HR><B><I>logic_error</I></B> <IMG SRC="images/inherits.gif"> <B><I><A HREF="exception.html">exception</A></I></B><HR></PRE>

<UL>
<LI><A HREF="#sec1">Local Index</A></LI>
<LI><A HREF="#sec2">Summary</A></LI>
<LI><A HREF="#sec3">Synopsis</A></LI>
<LI><A HREF="#sec4">Description</A></LI>
<LI><A HREF="#sec5">Interface</A></LI>
<LI><A HREF="#sec6">See Also</A></LI>
<LI><A HREF="#sec7">Standards Conformance</A></LI>
</UL>
<A NAME="sec1"><H3>Local Index</H3></A>
No Entries
<A NAME="sec2"><H3>Summary</H3></A>
<P>An exception class</P>
<A NAME="sec3"><H3>Synopsis</H3></A>

<PRE>#include &lt;stdexcept&gt;
</PRE>
<A NAME="sec4"><H3>Description</H3></A>
<P>Objects of class <B><I>logic_error</I></B> or a derived class are thrown when the condition causing the error could have been detected by the client before calling the failing code; that is, the client did not assert preconditions. The class is derived from <B><I><A HREF="exception.html">exception</A></I></B>.</P>
<A NAME="sec5"><H3>Interface</H3></A>

<UL><PRE>namespace std {
  class logic_error : public exception {
  public:
    explicit logic_error(const string&amp;  what_arg );
  };
}
</PRE></UL>
<A NAME="sec6"><H3>See Also</H3></A>
<P><A HREF="exceptions.html">Exceptions</A>, <B><I><A HREF="bad-alloc.html">bad_alloc</A></I></B>, <B><I><A HREF="bad-cast.html">bad_cast</A></I></B>, <B><I><A HREF="bad-exception.html">bad_exception</A></I></B>, <B><I><A HREF="bad-typeid.html">bad_typeid</A></I></B>, <B><I><A HREF="domain-error.html">domain_error</A></I></B>, <B><I><A HREF="exception.html">exception</A></I></B>, <B><I><A HREF="invalid-argument.html">invalid_argument</A></I></B>, <B><I><A HREF="ios-base.html#failure">ios_base::failure</A></I></B>, <B><I><A HREF="length-error.html">length_error</A></I></B>, <B><I><A HREF="out-of-range.html">out_of_range</A></I></B>, <B><I><A HREF="overflow-error.html">overflow_error</A></I></B>, <B><I><A HREF="range-error.html">range_error</A></I></B>, <B><I><A HREF="runtime-error.html">runtime_error</A></I></B>, <B><I><A HREF="underflow-error.html">underflow_error</A></I></B></P>
<A NAME="sec7"><H3>Standards Conformance</H3></A>
<P><I>ISO/IEC 14882:1998 -- International Standard for Information Systems --Programming Language C++, Section 19.1.1</I></P>

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