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carlos_alves_

[PROLOG] Duvida

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carlos_alves_

Boa tarde..

Alguém me pode explicar qual o significado de :

:- op( 50, xfy, : ).

Obrigado pela ajuda...

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Rui Carlos

Está a declarar o operador infixo ':'.

O primeiro argumento é a precedência, o segundo especifica que é infixo (xfy -> f, a função, aparece no meio das variáveis), e ':' é o operador que queres usar.

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