Remove default fill of 0 and error instead

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/bqn.js b/docs/bqn.js
index a35e3cfc..49293baf 100644
--- a/docs/bqn.js
+++ b/docs/bqn.js
@@ -184,7 +184,7 @@ let fill = (x,w) => {
   if (has(w)) {
     return arr(x.slice(),x.sh,tofill(w));
   } else {
-    let f = x.fill || 0;
+    let f = x.fill;
     if (!has(f)) throw Error("Fill does not exist");
     return f;
   }