fix memory bug

1 files changed, 1 insertions, 1 deletions

diff --git a/src/vec.hff b/src/vec.hff
index 4d877d8..acb5e07 100644
--- a/src/vec.hff
+++ b/src/vec.hff
@@ -52,7 +52,7 @@ struct Vec<T> {
 defmacro vec_each(x, i, v, &body) [
    {
       let $v = v;
-      for let i = 0; i < $v.len; ++i {
+      for let i = 0u; i < $v.len; ++i {
          let x = $v.dat[i];
          { body }
       }