[m-rev.] For review: ensure proper initialisation of pretty_printer

Ralph Becket rafe at csse.unimelb.edu.au
Tue Apr 27 13:15:38 AEST 2010


Peter Wang, Tuesday, 27 April 2010:
> For your pretty_printer change it will probably be easiest to rely on the
> get_mutable message returning a value of `undefined' initially.  Untested:
> 
> get_pretty_printer_is_initialised() ->
>   'ML_erlang_global_server' ! {get_mutable, t__mutable_variable_foo, self()},
>   receive
>     {get_mutable_ack, undefined} -> {no};
>     {get_mutable_ack, Value} -> Value
>   end.

That will do nicely.
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