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Nov 10, 2024
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Update lect-w07-seq.tex #847

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2 changes: 1 addition & 1 deletion slides/body/lect-w07-seq.tex
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Expand Up @@ -540,7 +540,7 @@
def sort[T: Ordering](xs: Seq[T]): Seq[T] = xs.sorted // mer om Ordering sen

def freq[T](xs: Seq[T]): Seq[(T, Int)] =
xs.distinct.map((_, xs.count(_ == x)))
xs.distinct.map(x => x -> xs.count(_ == x))
\end{Code}
\pause
Standardbibliotekets metoder försöker ordna så att det blir samma konkreta typ in som ut, men ibland väljs annan lämplig konkret samling, t.ex. kan en \code{Array} bli en \code{ArrayBuffer}.
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