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## Function template erase_head

boost::algorithm::erase_head — Erase head algorithm.

## Synopsis

    template<typename SequenceT>
      void erase_head(SequenceT & Input, unsigned int N);

## Description

Remove the head from the input. The head is a prefix of a sequence of given size. If the sequence is shorter then required, the whole string is considered to be the head. The input sequence is modified in-place.

Parameters

Input

  An input string

N

  Length of the head

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