resolved one error and one segfault in xpp02

cpp_module_02/SpellBook.hpp

@@ -1,50 +1,61 @@
-#ifndef SPELLBOOK_HPP
+#ifndef	SPELLBOOK_HPP
 #define SPELLBOOK_HPP
 
-# include <iostream>
-# include <string>
-# include "ASpell.hpp"
-# include <map>
+#include <iostream>
+#include <string>
+#include <map>
 
-class SpellBook {
+#include "ASpell.hpp"
+
+class SpellBook
+{
 	private:
 		SpellBook(SpellBook const & other);
 		SpellBook & operator=(SpellBook const & other);
 
-		std::map<std::string, ASpell *> arr;
+		std::map<std::string, ASpell*> arr;
 
 	public:
-		SpellBook() {};
-		~SpellBook() {
-			std::map<std::string, ASpell *>::iterator it_begin = this->arr.begin();
-			std::map<std::string, ASpell *>::iterator it_end = this->arr.end();
-			while (it_begin != it_end) {
-				delete it_begin->second;
-				++it_begin;
-			}
+		SpellBook()
+		{}
+		~SpellBook()
+		{
+			std::map<std::string, ASpell*>::iterator it;
+			for (it = arr.begin(); it != arr.end(); ++it)
+				delete it->second;
 			this->arr.clear();
-		};
+		}
 
-		void learnSpell(ASpell *aspell) {
+		void learnSpell(ASpell * aspell)
+		{
 			if (aspell)
-				arr.insert(std::pair<std::string, ASpell *>(
+			{
+				arr.insert(std::pair<std::string, ASpell*>
+				(
 					aspell->getName(),
 					aspell->clone()
 				));
-		};
-		void forgetSpell(std::string & name) {
-			std::map<std::string, ASpell *>::iterator it = arr.find(name);
-			if (it == arr.end())
-				return;
-			delete it->second;
-			arr.erase(name);
-		};
-		ASpell * createSpell(std::string & name) {
-			std::map<std::string, ASpell *>::iterator it = arr.find(name);
-			if (it == arr.end())
-				return NULL;
-			return arr[name];
-		};
+			}
+		}
+		void forgetSpell(std::string const & spell_name)
+		{
+			std::map<std::string, ASpell*>::iterator it;
+			it = arr.find(spell_name);
+			if (it != arr.end())
+			{
+				delete it->second;
+				arr.erase(spell_name);
+			}
+		}
+		ASpell * createSpell(std::string const & spell_name)
+		{
+			std::map<std::string, ASpell*>::iterator it;
+			it = arr.find(spell_name);
+			if (it != arr.end())
+				return arr[spell_name];
+			return NULL;
+		}
 };
 
 #endif
+