addition: starting to refactor NodeArray into ArrayList

CMakeLists.txt

@@ -41,6 +41,7 @@ target_include_directories(calculator_lib
 # 🔥 aquí está la magia
 target_link_libraries(calculator_lib
     PUBLIC arena
+    PUBLIC arraylist
 )
 
 add_executable(calculator src/main.c)

include/lexer.h

@@ -1,6 +1,7 @@
 #ifndef LEXER_H
 #define LEXER_H
 
+#include "arraylist.h"
 #include <stddef.h>
 #include <stdbool.h>
 #include <stdint.h>

src/lexer.c

@@ -1,6 +1,5 @@
 #include "lexer.h"
 #include <ctype.h>
-#include <math.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <strings.h>