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%% This tests the presence of possible races due to an ets:lookup/ets:insert
%% combination. It takes into account the argument types of the calls.
-module(ets_insert_args4).
-export([start/0]).
start() ->
F = fun(T)-> [{_, N}] = ets:lookup(T, counter),
ets:insert(T, {counter, N+1})
end,
io:format("Created ~w\n", [ets:new(foo, [named_table, public])]),
ets:insert(foo, {counter, 0}),
io:format("Inserted ~w\n", [{counter, 0}]),
F(foo),
io:format("Update complete\n", []),
ObjectList = ets:lookup(foo, counter),
io:format("Counter: ~w\n", [ObjectList]).
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