lsst::afw::table::detail::FlagExtractor Struct Reference

Functor to compute a flag bit, used to create an ndarray expression template for flag columns. More...

#include <BaseColumnView.h>

Public Types
typedef Field< Flag >::Element	argument_type
typedef bool	result_type

Public Member Functions
result_type	operator() (argument_type element) const
	FlagExtractor (Key< Flag > const &key)

Private Attributes
argument_type	_mask

Detailed Description

Functor to compute a flag bit, used to create an ndarray expression template for flag columns.

Definition at line 12 of file BaseColumnView.h.

Member Typedef Documentation

typedef Field<Flag>::Element lsst::afw::table::detail::FlagExtractor::argument_type

Definition at line 13 of file BaseColumnView.h.

typedef bool lsst::afw::table::detail::FlagExtractor::result_type

Definition at line 14 of file BaseColumnView.h.

Constructor & Destructor Documentation

lsst::afw::table::detail::FlagExtractor::FlagExtractor ( Key< Flag > const &  key )

inlineexplicit

Definition at line 18 of file BaseColumnView.h.

: _mask(argument_type(1) << key.getBit()) {}

Member Function Documentation

result_type lsst::afw::table::detail::FlagExtractor::operator() ( argument_type  element ) const

inline

Definition at line 16 of file BaseColumnView.h.

{ return element & _mask; }

Member Data Documentation

argument_type lsst::afw::table::detail::FlagExtractor::_mask

private

Definition at line 21 of file BaseColumnView.h.

---

The documentation for this struct was generated from the following file:

• /home/lsstsw/stack/Linux64/afw/11.0-2-g04d2804/include/lsst/afw/table/BaseColumnView.h