add in as an operator

src/lexer/lex.l

@@ -30,6 +30,7 @@ int yywrap(void * unused_param) {
 "^="                { return TOKEN_ASSIGN_CARET; }
 
 "not"[ \t]+"in"     { return TOKEN_NOT_IN; }
+"in"                { return TOKEN_IN; }
 "&&"                { return TOKEN_AND; }
 "||"                { return TOKEN_OR; }
 "<="                { return TOKEN_LE; }
@@ -65,7 +66,6 @@ int yywrap(void * unused_param) {
 "null"              { return TOKEN_NULL; }
 "delete"            { return TOKEN_DELETE; }
 "not"               { return TOKEN_NOT; }
-"in"                { return TOKEN_IN; }
 "try"               { return TOKEN_TRY; }
 "catch"             { return TOKEN_CATCH; }
 
@@ -86,11 +86,11 @@ int yywrap(void * unused_param) {
     return TOKEN_STRING;
 }
 
-\-?((([0-9]+(\.[0-9]+)?)|(\.[0-9]+))(e((\-|\+)?([0-9]+(\.[0-9]+)?)))?) {
+((([0-9]+(\.[0-9]+)?)|(\.[0-9]+))(e((\-|\+)?([0-9]+(\.[0-9]+)?)))?) {
     return TOKEN_NUMBER;
 }
 
-\n { return TOKEN_NEW_LINE; }
+"\n" { return TOKEN_NEW_LINE; }
 
 [ \t]+ {
     GET_STATE

src/lexer/token.h

@@ -34,7 +34,8 @@ typedef enum {
   TOKEN_GE,       // >=
   TOKEN_EQ,       // ==
   TOKEN_NE,       // !=
-  TOKEN_NOT_IN,   // not in (Usually treated like a comparison)
+  TOKEN_NOT_IN,   // not in
+  TOKEN_IN,       // in
   TOKEN_AND,      // &&
   TOKEN_OR,       // ||
 
@@ -57,7 +58,6 @@ typedef enum {
   TOKEN_NULL,
   TOKEN_DELETE,
   TOKEN_NOT,
-  TOKEN_IN,
   TOKEN_TRY,
   TOKEN_CATCH,
 

src/parser/assignable/assign/assign.c

@@ -12,7 +12,7 @@ ParsedValue *parse_assign(char *file, DArray *tokens, ParsedValue *assign_to,
   Token *token = darray_get(tokens, *index);
   switch (assign_to->type) {
   case AST_IDENTIFIER:
-  case AST_ASSIGN:
+  case AST_ACCESS:
     break;
   case AST_CALL:;
     ParsedCall *call = assign_to->data;

src/parser/parser.h

@@ -8,6 +8,7 @@
 #define SWITCH_OPERATIONS case TOKEN_AND:\
 case TOKEN_OR:\
 case TOKEN_NOT_IN:\
+case TOKEN_IN:\
 case TOKEN_LE:\
 case TOKEN_GE:\
 case TOKEN_LT:\