lib
A number of useful library functions
Warning!
This module is retained for compatibility. It may disappear without warning in a future release.
Functions
flush_receive() -> void()
Flushes the message buffer of the current process.
error_message(Format, Args) -> ok
Format = atom() | string() | binary()
Args = [term()]
Prints error message Args
in accordance with
Format
. Similar to io:format/2
, see
io(3).
progname() -> atom()
Returns the name of the script that started the current Erlang session.
nonl(String1) -> String2
String1 = String2 = string()
Removes the last newline character, if any, in
String1
.
send(To, Msg)
To = pid() | Name | {Name,Node}
Name = Node = atom()
Msg = term()
This function to makes it possible to send a message using
the apply/3
BIF.
sendw(To, Msg)
To = pid() | Name | {Name,Node}
Name = Node = atom()
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 message returned is not necessarily a reply to the message sent.