Created
February 9, 2011 14:07
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Erlang snipets
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| % Dict | |
| lookup(Key, [{Key,Value}|Rest]) -> | |
| {value,Value}; | |
| lookup(Key, [Pair|Rest]) -> | |
| lookup(Key, Rest); | |
| lookup(Key, []) -> | |
| undefined. | |
| % Tree | |
| lookup(Key, nil) -> | |
| not_found; | |
| lookup(Key, {Key,Value,_,_}) -> | |
| {found,Value}; | |
| lookup(Key, {Key1,_,Smaller,_}) when Key < Key1 -> | |
| lookup(Key, Smaller); | |
| lookup(Key, {Key1,_,_,Bigger}) when Key > Key1 -> | |
| lookup(Key, Bigger). |
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