Replaced create_environment with constructor

src/main.cpp

@@ -35,7 +35,7 @@ void interpret_file(char* fileName) {
 
   // Interpret the AST
   // print_tree(result, 0); // For debugging
-  struct Environment* env = create_environment();
+  struct Environment* env = new Environment();
   eval_statement(result, env);
   delete_environment(env);
   delete_tree(result);

src/operations/node.cpp

@@ -136,7 +136,7 @@ struct Value* eval_expression(struct Node* node, struct Environment* env) {
     case CALLFUNC:
       check_num_nodes(node, 2, "cannot have more than two nodes for a function call.");
       tempNode = get_expression(get_value(find_variable(env, node->children[0]->id)));
-      local_env = create_environment();
+      local_env = new Environment();
       add_variable(local_env, 
         make_variable(tempNode->children[0]->id, // Get the name of the variable needed for the lambda expression
           eval_expression(node->children[1], env)));

src/shell.cpp

@@ -48,7 +48,7 @@ void start_shell() {
     printf("Welcome to SLOTH Version 0.0.1\n");
     printf("Press CTRL+C to Exit\n");
 
-    struct Environment* env = create_environment();
+    struct Environment* env = new Environment();
     while (1) {
         // Read line from user and input it into the history
         char* input = readline("sloth> ");

src/variables/environment.cpp

@@ -4,11 +4,6 @@
 #include "environment.hpp"
 #include "variable.hpp"
 
-struct Environment* create_environment(void) {
-  struct Environment* env = new Environment();
-  return env;
-}
-
 struct Variable* find_variable(struct Environment* env, std::string id) {
   auto result = std::find_if(env->vars.begin(), env->vars.end(), 
     [id](const Variable* element) {

src/variables/environment.hpp

@@ -6,10 +6,10 @@
 
 struct Environment {
   std::vector<struct Variable*> vars;
+  Environment() {  }
 };
 
 // Variable Lookup Functions
-struct Environment* create_environment(void);
 void delete_environment(struct Environment* env);
 struct Variable* find_variable(struct Environment* env, std::string id);
 void add_variable(struct Environment* env, struct Variable* var);