add trim

framework/std_utils/src/mm/string_view_split.hpp

@@ -1,9 +1,30 @@
 #pragma once
 
 #include <string_view>
+#include <cctype>
 
 namespace MM::std_utils {
 
+inline std::string_view trim_prefix(std::string_view sv) {
+	while (!sv.empty() && std::isspace(sv.front())) {
+		sv.remove_prefix(1);
+	}
+
+	return sv;
+}
+
+inline std::string_view trim_suffix(std::string_view sv) {
+	while (!sv.empty() && std::isspace(sv.back())) {
+		sv.remove_suffix(1);
+	}
+
+	return sv;
+}
+
+inline std::string_view trim(std::string_view sv) {
+	return trim_suffix(trim_prefix(sv));
+}
+
 // src : https://marcoarena.wordpress.com/2017/01/03/string_view-odi-et-amo/
 inline std::vector<std::string_view> split(std::string_view str, const char* delims) {
 	std::vector<std::string_view> ret;