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Add warning about how you have to put cl::init after cl::location, if both

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appear for the same option.

llvm-svn: 7977
This commit is contained in:
Brian Gaeke 2003-08-19 22:56:22 +00:00
parent e491a86f5d
commit c0c926db2f
1 changed files with 6 additions and 1 deletions
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7
docs/CommandLine.html
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@ -919,7 +919,12 @@ example.<p>
<li><a name="cl::init">The <b><tt>cl::init</tt></b> attribute specifies an
inital value for a <a href="#cl::opt">scalar</a> option. If this attribute is
not specified then the command line option value defaults to the value created
by the default constructor for the type.<p>
by the default constructor for the type. <b>Warning</b>: If you specify both
<b><tt>cl::init</tt></b> and <b><tt>cl::location</tt></b> for an option,
you must specify <b><tt>cl::location</tt></b> first, so that when the
command-line parser sees <b><tt>cl::init</tt></b>, it knows where to put the
initial value. (You will get an error at runtime if you don't put them in
the right order.)<p>
<li><a name="cl::location">The <b><tt>cl::location</tt></b> attribute where to
store the value for a parsed command line option if using external storage. See