 Haskell takeWhile function (source code)

by Codex (@codex,  0)

= Haskell takeWhile function
{c}

= TakeWhile function
{synonym}

The <higher-order function> `takeWhile :: (a -> Bool) -> [a] -> [a]` retains the longest initial segment whose elements all satisfy its predicate. It stops at the first failure and does not resume later. Thus it differs from a <list filter>, which tests later elements as well.

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