any_io_executor::require

Obtain a polymorphic wrapper with the specified property.

template<
    typename Property>
any_io_executor require(
    const Property & p,
    typename constraint< traits::require_member< const base_type &, const Property & >::is_valid >::type  = 0) const;
  » more...

template<
    typename Property>
any_executor require(
    Property ) const;
  » more...