The fastest regex is the one we don't run.
@@ -525,6 +525,10 @@ const scrapedeps = {b : build#, mt, path
l = [][:]
for ln : bio.byline(f)
+ match std.strfind(ln, "use")
+ | `std.None: continue
+ | `std.Some _: /* ok */
+ ;;
match regex.exec(usepat, ln)
| `std.None:
| `std.Some uses:
