finish LSB

include/register.h

@@ -39,6 +39,10 @@ public:
 		this->_M_assigned = true;
 		this->_M_new = static_cast<max_size_t>(value);
 	}
+  auto peek() const -> max_size_t { // this function should only be used for convinience within the same module
+    if(this->_M_assigned) return this->_M_new;
+    return this->_M_old;
+  }
 
 	explicit operator max_size_t() const { return this->_M_old; }
 	explicit operator bool() const { return this->_M_old; }