Add variation of 'with' that extracts the trailing string and feeds it back into the callback

core-library/views/command-line-args-view.h

@@ -1,4 +1,6 @@
 #pragma once
+#include "core-library/traits/function-traits.h"
+
 #include <ranges>
 #include <span>
 #include <string_view>
@@ -22,6 +24,17 @@ public:
 			std::invoke(std::forward<F>(function));
 	}
 
+	template<typename F>
+	    requires core::callable_with_argument_converted<F, std::string_view>
+	void with(std::string_view arg_to_match_view, F&& function) const
+	{
+		if (m_arg_view.starts_with(arg_to_match_view))
+		{
+			const std::string_view value_part = m_arg_view.substr(arg_to_match_view.size());
+			std::invoke(std::forward<F>(function), core::first_argument_type_t<F>{value_part});
+		}
+	}
+
 private:
 	std::string_view m_arg_view;
 	std::span<char*> m_modifiers;