List::Util(3p) on OpenBSD
The text bcc2911c575c, as OpenBSD 5.3, OpenBSD 5.2, OpenBSD 5.1, OpenBSD 5.0 shipped it.
A selection of general-utility list subroutines
The text bcc2911c575c, as OpenBSD 5.3, OpenBSD 5.2, OpenBSD 5.1, OpenBSD 5.0 shipped it.
A selection of general-utility list subroutines