manually integrate stlite

stlite/exceptions.hpp

@@ -0,0 +1,39 @@
+#ifndef SJTU_EXCEPTIONS_HPP
+#define SJTU_EXCEPTIONS_HPP
+
+#include <cstddef>
+#include <cstring>
+#include <string>
+
+namespace sjtu {
+
+class exception {
+protected:
+	const std::string variant = "";
+	std::string detail = "";
+public:
+	exception() {}
+	exception(const exception &ec) : variant(ec.variant), detail(ec.detail) {}
+	virtual std::string what() {
+		return variant + " " + detail;
+	}
+};
+
+class index_out_of_bound : public exception {
+	/* __________________________ */
+};
+
+class runtime_error : public exception {
+	/* __________________________ */
+};
+
+class invalid_iterator : public exception {
+	/* __________________________ */
+};
+
+class container_is_empty : public exception {
+	/* __________________________ */
+};
+}
+
+#endif