count the number of elements in this Sequence that match the given predicate. Note that this typically runs forever if executed on an endless Sequence.
0.095dev (2025-08-15 12:02:22 GIT hash 301b5b75e77076d091b38f555473f9f0e31e5b5c built by fridi@fzen)
given predicate. Note that this typically
runs forever if executed on an endless Sequence.