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R15 callbacks #10

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R15 callbacks #10

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9022f1e
Add R15-style callbacks for queue behaviours.
jlouis Mar 2, 2012
5c1f72b
Kill an import.
jlouis Mar 2, 2012
2d03703
Compile behaviours first, jobs_queue_list is a jobs_queue.
jlouis Mar 2, 2012
a188aa8
Provide R15-style Callbacks for the jobs sampler.
jlouis Mar 2, 2012
cef8f8d
Require R15 now.
jlouis Mar 2, 2012
ede8367
Implement jobs_queue_list:peek/1.
jlouis Mar 2, 2012
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Implement jobs_queue_list:peek/1.
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@jlouis
jlouis committed Mar 3, 2012
commit ede8367fd9a88455de7cdcb34dbdd7ce3fe015cc
7 changes: 7 additions & 0 deletions src/jobs_queue_list.erl
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@
delete/1]).
-export([in/3,
out/2,
peek/1,
info/2,
all/1,
empty/1,
Expand Down Expand Up @@ -75,6 +76,12 @@ out(N, #queue{st = L, oldest_job = OJ} = Q) when N >= 0 ->
end,
{Out, Q#queue{st = Rest, oldest_job = OJ1}}.

peek(#queue { st = []}) ->
undefined;
peek(#queue { st = [H|_]}) ->
H.


split(N, L) ->
split(N, L, []).

Expand Down