[erlang-questions] Why we need to use make_ref in pmap ?
lang qiu
qiulang@REDACTED
Sun Nov 30 16:50:48 CET 2008
Hi all,
Why we need to use make_ref/0 in pmap ? To be exact, why we need to use
make_ref in the gather/2,
gather([Pid|T], Ref) ->
receive
{Pid, Ref, Ret} -> [Ret|gather(T, Ref)]
end;
Can't we just use gather/1,
gather([Pid|T]) ->
receive
{Pid, Ret} -> [Ret|gather(T)]
end;
Thanks !
Qiulang
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