The module lib provides the following useful library functions.
Flushes the message buffer of the current process.
Prints error message Args in accordance with
Format in the normal way.
Returns the name of the script that starts the current Erlang session.
Removes the last newline character, if any, in List.
This function to makes it possible to send a message through
apply.
As send/2, but waits for an answer. It is implemented
as follows:
sendw(To, Msg) ->
To ! {self(),Msg},
receive
Reply -> Reply
end.
The message returned is not necessarily a reply to the message sent.
This module is retained for compatibility. It may disappear without warning in a future release.