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## Function head_finder

boost::algorithm::head_finder — "Head" finder

## Synopsis

    unspecified head_finder(unsigned int N);

## Description

Construct the `head_finder` . The finder returns a head of a given input. The head is a prefix of a string up to n elements in size. If an input has less then n elements, whole input is considered a head. The result is given as an `iterator_range` delimiting the match.

Parameters

N

  The size of the head

Returns: An instance of the `head_finder` object

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