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Gostaria de saber qual o erro no código de uma função que fiz e que supostamente deveria calcular a distância entre 2 pontos no plano cartesiano


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Posted

a função é a seguinte: type Ponto = (Float,Float)

dist :: Ponto1 -> Ponto2 -> Float

dist Ponto1 Ponto2 = sqrt ( (Fst Ponto2 - Fst Ponto1)² + (Snd Ponto2 - Snd Ponto1)² )

e nao sei pq da erro ..

agradecia se alguém me pudesse explicar a origem do erro

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