rsc3/doc-schelp/HelpSource/Classes/Message.schelp

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2022-08-24 13:53:18 +00:00
TITLE:: Message
summary:: A message to an object
categories:: Language
related:: Classes/MethodQuote
DESCRIPTION::
A message to an object, to be evaluated later.
CLASSMETHODS::
METHOD:: new
argument:: receiver
the receiver of the message
argument:: selector
the method to be called
argument:: args
arguments to the call
INSTANCEMETHODS::
METHOD:: receiver
the object to which the message is relayed
METHOD:: selector
the method to be called
METHOD:: args
the arguments to the call
METHOD:: value
send the message to the receiver and call the selector with the arguments
argument:: ... moreArgs
private:: storeArgs
EXAMPLES::
code::
// an object
a = 36
// a message to the object
m = Message(a, \sqrt)
// deliver the message
m.value
// -> 6
// a message that lacks an argument
m = Message(a, '+')
// evaluate with the argument
m.value(6)
// -> 42
m.value(-13)
// -> 23
::