An alternative to close
for Sockets, Contexts, Listeners and Dialers
avoiding S3 method dispatch.
reap(con)
a Socket, Context, Listener or Dialer.
An integer exit code (zero on success).
May be used on unclassed external pointers e.g. those created by
.context
. Returns silently and does not warn or error, nor
does it update the state of object attributes.