change to uint8_t for bytecode to reduce wasted bytes

src/translator/function/function.c

@@ -1,22 +1,24 @@
 #include "function.h"
 #include "../translator.h"
 #include <stddef.h>
+#include <stdint.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 size_t translate_parsed_function(Translated *translated,
                                  ParsedFunction *parsedFunction) {
-  DArray temp_bytecode;
-  darray_init(&temp_bytecode, sizeof(uint64_t));
   DArray main_bytecode = translated->bytecode;
-  translated->bytecode = temp_bytecode;
+  DArray _temp_bytecode;
+  darray_init(&_temp_bytecode, sizeof(uint8_t));
+  translated->bytecode = _temp_bytecode;
   translate_parsed(translated, parsedFunction->body);
   size_t function_bytecode_offset =
       arena_push(&translated->constants, translated->bytecode.data,
                  translated->bytecode.size*translated->bytecode.element_size);
   size_t function_bytecode_length = translated->bytecode.size;
+  darray_free(&translated->bytecode, NULL);
   translated->bytecode = main_bytecode;
-  darray_free(&temp_bytecode, NULL);
-  size_t start = push_instruction_code(translated, OP_LOAD_FUNCTION);
+  size_t start = push_instruction_byte(translated, OP_LOAD_FUNCTION);
   size_t offset = arena_push(&translated->constants, parsedFunction->name,
                              strlen(parsedFunction->name));
   push_instruction_code(translated, offset);