2 #ifndef __WTX_CORE_H_234e0174_6b7d_11e8_b503_fb1ef3651ec0__ 3 #define __WTX_CORE_H_234e0174_6b7d_11e8_b503_fb1ef3651ec0__ 24 std::vector<std::string> split(
const std::string & value,
char delim );
26 extern const char* trim_ws;
27 std::string & rtrim( std::string & s,
const char* t = trim_ws );
28 std::string & ltrim( std::string & s,
const char* t = trim_ws );
29 std::string & trim( std::string & s,
const char* t = trim_ws );
30 std::string toupper(
const std::string & s );
31 std::string tolower(
const std::string & s );