[Q] Network IM and Jabber

Stephen Pair stephen at pairhome.net
Fri Apr 4 14:40:41 UTC 2003

Avi Bryant wrote:

>The dirty truth about this particular message is that it never actually
>gets sent - it's one of the handful that are essentially inlined by the
>compiler.  But that doesn't (usually) change its semantics.
To be more precise, the compiler generates special send bytecodes for 
this and a number of other selectors.  Most of these special send 
bytecodes actually *do* send the message.  The implementation of the 
#class special send bytecode does not however (it just looks up the 
class of the receiver and answers it without dispatching the message).

- Stephen

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