SkipWhitespace fix and LoadWord change

src/basic/basic_string.cpp

@@ -423,19 +423,20 @@ API String SkipUntil(String *string, String str) {
         *string = Skip(*string, 1);
     }
     return begin;
-}
 
+}
 API String SkipWhitespace(String *string) {
     String begin = {string->data, 0};
-    for (Int i = 0; i < string->len; i += 1) {
-        if (!IsWhitespace(string->data[i])) break;
+    for (;string->len;) {
+        if (!IsWhitespace(At(*string, 0))) {
+            break;
+        }
         *string = Skip(*string, 1);
         begin.len += 1;
     }
     return begin;
 }
 
-
 API String ChopNumberEx(String *string) {
     String col = {};
     for (int64_t i = string->len - 1; i >= 0; i -= 1) {