Function template operator!

boost::algorithm::operator! — predicate negation operator

Synopsis

template<typename PredT> 
  unspecified operator!(const predicate_facade< PredT > & Pred);

Construct the class_not predicate. This predicate represents a negation. class_or holds if of the predicates return false.

Parameters:

Pred

The predicate to be negated

Returns:

An instance of the class_not predicate