lib
Useful library functions.
Warning!
This module is retained for backward compatibility. It can disappear without warning in a future Erlang/OTP release.
Functions
error_message(Format, Args) -> ok
Format = io:format()
Args = [term()]
Prints error message
in accordance with
. Similar to
io:format/2
.
flush_receive() -> ok
Flushes the message buffer of the current process.
nonl(String1) -> String2
String1 = String2 = string()
Removes the last newline character, if any, in
.
progname() -> atom()
Returns the name of the script that started the current Erlang session.
send(To, Msg) -> Msg
To = pid() | atom() | {atom(), node()}
Msg = term()
Makes it possible to send a message using the apply/3
BIF.
sendw(To, Msg) -> term()
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.