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Failed erlang example
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| -module(exercise). | |
| -export([howManyEqual/2, howManyEqual/3]). | |
| howManyEqual(X,X) -> | |
| 2; | |
| howManyEqual(_X,_Y) -> | |
| 0. | |
| howManyEqual(X,Y,Z) -> | |
| howManyEqual(X,Y) + howManyEqual(Y,Z). |
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