Boost C++ Libraries

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Function erase_tail_copy

boost::algorithm::erase_tail_copy — Erase tail algorithm.

Synopsis

template<typename OutputIteratorT, typename CollectionT> 
  OutputIteratorT 
  erase_tail_copy(OutputIteratorT Output, const CollectionT & Input, 
                  unsigned int N);
template<typename SequenceT> 
  SequenceT erase_tail_copy(const SequenceT & Input, unsigned int N);

Description

Remove the tail from the input. The tail is a suffix of a seqence of given size. If the sequence is shorter then required, the whole string is considered to be the tail. The result is a modified copy of the input. It is returned as a sequence or copied to the output iterator.

Parameters

Input

An input string

N

Length of the head

Output

An output iterator to which the result will be copied

Returns: An output iterator pointing just after the last inserted character or a modified copy of the input
Notes: The second variant of this function provides the strong exception-safety guarantee

Copyright © 2002-2004 Pavol Droba

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