class Geo::OptionalIndex

An index value that may or may not be present.

Name	Description
IsDefined()	Return true if the index value is present.
operator Geo::u32()	Return the index value, or an undefined value if the value is not present.
OptionalIndex(Geo::u32)	Constructor.
OptionalIndex()	Constructor.

bool Geo::OptionalIndex::IsDefined

public: bool IsDefined() const

Return true if the index value is present.

public: operator Geo::u32() const

Return the index value, or an undefined value if the value is not present.

public: OptionalIndex
(
Geo::u32 value
)

Constructor.

public: OptionalIndex()

Constructor.