Hi, is_iequal is an element-comparisom predicate. In other words, it is used to compare characters. It is used as a plug-in to other generic algorithms. If you'd like to compare strings, use boost::iequals algorithm. Or have a look here for more options: http://www.boost.org/doc/libs/1_34_1/doc/html/string_algo/reference.html#hea... Best regards, Pavol. Ovanes Markarian wrote:
Hello *,
I have a question regarding string comparisons. Are the comparisons below suppose to work in VC 7.1 boost 1.34.0?
Case 1: bool is_test_string(std::string const& str) { std::string const& compare_with=std::string("test_string");
boost::algorithm::is_iequal comparator;
return comparator(str, compare_with); }
Case 2: bool is_test_string(std::string const& str) { char const* compare_with = "test_string";
boost::algorithm::is_iequal comparator;
return comparator(str, compare_with); }
Case 3: bool is_test_string(std::string const& str) { boost::algorithm::is_iequal comparator;
return comparator(str, "test_string"); }
In all 3 cases I receive compiler erros.
Many thanks, Ovanes
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