Boost C++ Libraries

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Function template find_tail

boost::algorithm::find_tail — Find tail algorithm.

Synopsis

template<typename RangeT> 
  iterator_range< typename range_iterator< RangeT >::type > 
  find_tail(RangeT & Input, int N);

Description

Get the head of the input. Head is a suffix of the string of the given size. If the input is shorter then required, whole input if considered to be the tail.

Parameters:

Input

An input string

N

Length of the tail. For N>=0, at most N characters are extracted. For N<0, size(Input)-|N| characters are extracted.

Returns:

An iterator_range delimiting the match. Returned iterator is either RangeT::iterator or RangeT::const_iterator, depending on the constness of the input parameter.

Notes:

This function provides the strong exception-safety guarantee


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