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)

Detailed Description

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

Definition at line 16 of file BaseColumnView.h.

Member Typedef Documentation

argument_type

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

Definition at line 17 of file BaseColumnView.h.

result_type

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

Definition at line 18 of file BaseColumnView.h.

Constructor & Destructor Documentation

FlagExtractor()

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

inlineexplicit

Definition at line 22 of file BaseColumnView.h.

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

Member Function Documentation

operator()()

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

inline

Definition at line 20 of file BaseColumnView.h.

{ return element & _mask; }

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

• /j/snowflake/release/lsstsw/stack/Linux64/afw/19.0.0-4-ga671dab3b+1/include/lsst/afw/table/BaseColumnView.h