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updated refs to REQUIRE (changed to function_requires)

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[SVN r8479]
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Jeremy Siek
2000-12-19 18:21:38 +00:00
parent 2fb9728608
commit 4315d0440b
1 changed files with 4 additions and 5 deletions
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creating_concepts.htm
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@@ -27,10 +27,9 @@ at how to create the corresponding checks for the
<a href="http://www.sgi.com/Technology/STL/RandomAccessIterator.html"> <a href="http://www.sgi.com/Technology/STL/RandomAccessIterator.html">
RandomAccessIterator</a> concept. First, as a convention we name the RandomAccessIterator</a> concept. First, as a convention we name the
concept checking class after the concept, and add the suffix concept checking class after the concept, and add the suffix
``<tt>_concept</tt>''. Note that the <tt>REQUIRE</tt> macro expects ``<tt>Concept</tt>''. Next we must define a member function named
the suffix to be there. Next we must define a member function named
<tt>constraints()</tt> in which we will exercise the valid expressions <tt>constraints()</tt> in which we will exercise the valid expressions
of the concept. The <tt>REQUIRE</tt> macro expects this function's of the concept. <tt>function_requires()</tt> expects this function's
signature to appear exactly as it is appears below: a <tt>void</tt> signature to appear exactly as it is appears below: a <tt>void</tt>
non-const member function with no parameters. non-const member function with no parameters.
@@ -43,8 +42,8 @@ RandomAccessIterator</a> and the concepts which it builds upon:
BidirectionalIterator</a> and BidirectionalIterator</a> and
<a href="http://www.sgi.com/Technology/STL/LessThanComparable.html"> <a href="http://www.sgi.com/Technology/STL/LessThanComparable.html">
LessThanComparable</a>. We could have instead used LessThanComparable</a>. We could have instead used
<tt>CLASS_REQUIRES</tt> and placed these requirements in the class <tt>BOOST_CLASS_REQUIRES</tt> and placed these requirements in the class
body, however <tt>CLASS_REQUIRES</tt> uses C++ language features that body, however <tt>BOOST_CLASS_REQUIRES</tt> uses C++ language features that
are less portable. are less portable.
<p> <p>