Function template trim_if
boost::algorithm::trim_if — Trim. 
 
Synopsis
template<typename SequenceT, typename PredicateT> 
  void trim_if(SequenceT & Input, PredicateT IsSpace);
Description
Remove all leading and trailing spaces from the input. The supplied predicate is used to determine which characters are considered spaces. The input sequence is modified in-place.
| Parameters: | 
| Input
 | An input sequence  |  
| IsSpace
 | A unary predicate identifying spaces  |  |