muParserX 2.0.0
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list_expr_var.cpp

This example shows how to list variables used in an expression.

void ListExprVar(const mu::ParserBase &parser)
{
varmap_type variables = parser.GetUsedVar();
if (!variables.size())
mu::console() << "Expression does not contain variables\n";
else
{
mu::console() << "Number: " << (int)variables.size() << "\n";
mu::varmap_type::const_iterator item = variables.begin();
for (; item!=variables.end(); ++item)
mu::console() << "Name: " << item->first << " Address: [0x" << item->second << "]\n";
}
}


muParserX documentation - (C) 2010 Ingo Berg