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voila/prop_delete1.erl

Created December 4, 2013 01:52
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prop_delete1.erl
%% For any integer X and any list of integers L,
%% if I delete X from L, then L should not contain X
prop_delete1() ->
?FORALL({X,L}, %% variables
{integer(), list(integer())}, %% generators
not lists:member(X, delete_all(X, L))). %% property
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