16 return str.find(pattern) != std::string::npos;
20 return str.find(pattern) != std::string::npos;
24 return str.find(ch) != std::string::npos;
bool contains(const std::string &str, const std::string &pattern)
Tests of string contains pattern.
std::basic_string< char, std::char_traits< char >, Allocator< char > > string
string with Manager tracking