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return bagarg is inc / dec tuple(s) are not defined or operation is not applicable

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This commit is contained in:
Dmitry Kolesnikov 2014-01-21 18:44:47 +02:00
parent 3c13aaaad6
commit 93e4aaf82b
1 changed files with 4 additions and 4 deletions
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8
src/cache_bucket.erl
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@ -483,7 +483,7 @@ cache_inc(Key, {Pos, Val}, S) ->
Old = erlang:element(Pos, X),
{Old, cache_put(Key, erlang:setelement(Pos, X, Old + Val), S)};
_ ->
{undefined, S}
{badarg, S}
end;
cache_inc(Key, Val, S) ->
@ -493,7 +493,7 @@ cache_inc(Key, Val, S) ->
X when is_integer(X) ->
{X, cache_put(Key, X + Val, S)};
_ ->
{undefined, S}
{badarg, S}
end.
%%
@ -504,7 +504,7 @@ cache_dec(Key, {Pos, Val}, S) ->
Old = erlang:element(Pos, X),
{Old, cache_put(Key, erlang:setelement(Pos, X, Old - Val), S)};
_ ->
{undefined, S}
{badarg, S}
end;
cache_dec(Key, Val, S) ->
@ -514,7 +514,7 @@ cache_dec(Key, Val, S) ->
X when is_integer(X) ->
{X, cache_put(Key, X - Val, S)};
_ ->
{undefined, S}
{badarg, S}
end.