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## Function trim_right_copy_if

boost::algorithm::trim_right_copy_if — Right trim - parametric.

## Synopsis

    template<typename OutputIteratorT, typename RangeT, typename PredicateT>
      OutputIteratorT
      trim_right_copy_if(OutputIteratorT Output, const RangeT & Input,
                         PredicateT IsSpace);
    template<typename SequenceT, typename PredicateT>
      SequenceT trim_right_copy_if(const SequenceT & Input, PredicateT IsSpace);

## Description

Remove all trailing spaces from the input. The supplied predicate is used to determine which characters are considered spaces. The result is a trimmed copy of the input. It is returned as a sequence or copied to the output iterator

Parameters: |
`Input` | An input range
`IsSpace` | An unary predicate identifying spaces
`Output` | An output iterator to which the result will be copied
Returns: | An output iterator pointing just after the last inserted character or a copy of the input
Notes: | The second variant of this function provides the strong exception-safety guarantee