LengthWhile

Available

Returns the length of the longest prefix for which a predicate holds.

Forms

LengthWhile[list, crit]

Verified examplesLengthWhile[{2, 4, 6, 7, 8}, EvenQ] → 3

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Topics

Elements Of Lists - Finding Sublists
Functional Iteration - General
Functional Programming - Iteratively Applying Functions »
New In60 Alphabetical Listing - L
New In60 List Manipulation - New List-Oriented Functional Programming

Related

Length Position TakeWhile CountDistinctBy FirstPosition FixedPoint FixedPointList Fold FoldList FoldPair FoldWhile Nest

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