Struct FlagExtractor¶
Defined in File BaseColumnView.h
Struct Documentation¶
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struct
FlagExtractor
Functor to compute a flag bit, used to create an ndarray expression template for flag columns.
Public Types
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typedef Field<Flag>::Element
argument_type
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typedef bool
result_type
Public Functions
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result_type
operator()
(argument_type element) const
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FlagExtractor
(Key<Flag> const &key)
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typedef Field<Flag>::Element