lib
Module
lib
Module Summary
Useful library functions.
Description
Warning
This module is retained for backward compatibility. It can disappear without warning in a future Erlang/OTP release.
Exports
error_message(Format, Args) -> ok
Prints error message Args in accordance with Format. Similar to io:format/2.
flush_receive() -> ok
Flushes the message buffer of the current process.
nonl(String1) -> String2
Types
String1 = String2 = string()
Removes the last newline character, if any, in String1.
progname() -> atom()
Returns the name of the script that started the current Erlang session.
send(To, Msg) -> Msg
Types
To = pid() | atom() | {atom(), node()}
Msg = term()
Makes it possible to send a message using the apply/3 BIF.
sendw(To, Msg) -> term()
Types
To = pid() | atom() | {atom(), node()}
Msg = term()
As send/2, but waits for an answer. It is implemented as follows:
sendw(To, Msg) ->
To ! {self(),Msg},
receive
Reply -> Reply
end.The returned message is not necessarily a reply to the sent message.