ltrim and rtrim take argument by const-ref

This commit is contained in:
Alex Maystrenko 2022-02-05 20:54:06 +01:00
parent 061cb76fc4
commit 2697d432a4

View File

@ -4,12 +4,12 @@
const std::string WHITESPACE = " \n\r\t\f\v";
inline std::string ltrim(const std::string s) {
inline std::string ltrim(const std::string& s) {
size_t begin = s.find_first_not_of(WHITESPACE);
return (begin == std::string::npos) ? "" : s.substr(begin);
}
inline std::string rtrim(const std::string s) {
inline std::string rtrim(const std::string& s) {
size_t end = s.find_last_not_of(WHITESPACE);
return (end == std::string::npos) ? "" : s.substr(0, end + 1);
}