Added safety check to Readable_String::span()

Added Reference_String::erase()

Jupiter/Readable_String_Imp.h

@@ -167,14 +167,16 @@ template<typename T> size_t Jupiter::Readable_String<T>::findi(const Jupiter::Re
 template<typename T> size_t Jupiter::Readable_String<T>::span(const Jupiter::Readable_String<T> &in) const
 {
 	size_t index = 0;
-	while (in.contains(this->get(index))) index++;
+	while (index != this->size() && in.contains(this->get(index)))
+		++index;
 	return index;
 }
 
 template<typename T> size_t Jupiter::Readable_String<T>::span(const T *in) const
 {
 	size_t index = 0;
-	while (containsSymbol(in, this->get(index))) index++;
+	while (index != this->size() && containsSymbol(in, this->get(index)))
+		++index;
 	return index;
 }
 

Jupiter/Reference_String.h

@@ -70,6 +70,11 @@ namespace Jupiter
 		*/
 		virtual size_t truncate(size_t n);
 
+		/**
+		* @brief Erases the string (sets the string's length to 0)
+		*/
+		void erase();
+
 		/**
 		* @brief Shifts the string pointer to the left.
 		*

Jupiter/Reference_String_Imp.h

@@ -93,6 +93,13 @@ template<typename T> size_t Jupiter::Reference_String<T>::truncate(size_t n)
 	return (Jupiter::Reference_String<T>::length -= n);
 }
 
+// erase
+
+template<typename T> void Jupiter::Reference_String<T>::erase()
+{
+	Jupiter::Reference_String<T>::length = 0;
+}
+
 // shift
 
 template<typename T> size_t Jupiter::Reference_String<T>::shiftLeft(size_t len)