boundary_set_union_view.h

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#ifndef MYSQL_SETS_BOUNDARY_SET_UNION_VIEW_H
#define MYSQL_SETS_BOUNDARY_SET_UNION_VIEW_H
 
/// @file
/// Experimental API header
 
#include "mysql/sets/base_binary_operation_views.h"  // Union_view
#include "mysql/sets/boundary_set_binary_operation_view_base.h"  // Boundary_set_binary_operation_view_base
#include "mysql/sets/boundary_set_meta.h"          // Is_boundary_set
#include "mysql/sets/set_categories_and_traits.h"  // Is_compatible_set
 
/// @addtogroup GroupLibsMysqlSets
/// @{
 
namespace mysql::sets {
 
/// View over the union of two boundary sets.
///
/// This provides forward iterators.
///
/// @tparam Source1_tp Type of the left boundary set.
///
/// @tparam Source2_tp Type of the left boundary set.
template <Is_boundary_set Source1_tp, Is_boundary_set Source2_tp>
  requires Is_compatible_set<Source1_tp, Source2_tp>
class Union_view<Source1_tp, Source2_tp>
    : public detail::Boundary_set_binary_operation_view_base<
          Source1_tp, Source2_tp, Binary_operation::op_union> {
  using Base_t = detail::Boundary_set_binary_operation_view_base<
      Source1_tp, Source2_tp, Binary_operation::op_union>;
 
 public:
  /// Construct a new, empty Union_view.
  Union_view() noexcept = default;
 
  /// Construct a new Union_view over the given sources.
  ///
  /// @param source1 The first source.
  ///
  /// @param source2 The second source.
  Union_view(const Source1_tp &source1, const Source2_tp &source2) noexcept
      : Base_t(source1, source2) {}
 
  /// Construct a new Union_view over the given sources.
  ///
  /// Use this constructor if one of the sources may be empty and you do not
  /// have an object representing it; then pass nullptr for that source.
  ///
  /// @param source1 The first source, or nullptr for the empty set.
  ///
  /// @param source2 The second source, or nullptr for the empty set.
  Union_view(const Source1_tp *source1, const Source2_tp *source2) noexcept
      : Base_t(source1, source2) {}
};
 
}  // namespace mysql::sets
 
// addtogroup GroupLibsMysqlSets
/// @}
 
#endif  // ifndef MYSQL_SETS_BOUNDARY_SET_UNION_VIEW_H