feat(ex02): it works

ex02/.gitignore

@@ -0,0 +1 @@
+ex02

ex02/Makefile

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+NAME = ex02
+ifeq ($(CPPFLAGS),)
+	CPPFLAGS = -Wall -Wextra -Werror -std=c++98 -g
+endif
+ifeq ($(CXX),)
+	CXX = c++
+endif
+# g++ is the default on 42 computers
+ifeq ($(CXX),g++)
+	CXX = c++
+endif
+srcs = \
+
+main_objs = main.o $(srcs:.cpp=.o)
+all_objs = $(main_objs)
+deps = $(all_objs:.o=.d)
+
+all: $(NAME)
+
+-include $(deps)
+
+$(NAME): $(main_objs)
+	$(CXX) $(CPPFLAGS) -o $@ $^
+
+%.o: %.cpp
+	$(CXX) -c $(CPPFLAGS) -o $*.o $*.cpp
+	$(CXX) -MM $(CPPFLAGS) -MT $*.o $*.cpp > $*.d
+
+clean:
+	find . -name '*.o' -print -delete
+	find . -name '*.d' -print -delete
+
+fclean: clean
+	rm -f $(NAME)
+
+re:
+	+make fclean
+	+make all

ex02/main.cpp

@@ -0,0 +1,14 @@
+#include <iostream>
+
+int main(void) {
+  std::string string = "HI THIS IS BRAIN";
+  std::string *stringPTR = &string;
+  std::string &stringREF = string;
+  std::cout << "address of string: " << &string << std::endl;
+  std::cout << "address held by stringPTR: " << stringPTR << std::endl;
+  std::cout << "address held by stringREF: " << &stringREF << std::endl;
+  std::cout << "value of string: " << string << std::endl;
+  std::cout << "value pointed by stringPTR: " << *stringPTR << std::endl;
+  std::cout << "value pointed by stringREF: " << stringREF << std::endl;
+  return 0;
+}