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is.ff

Test for class ff


Description

checks if x inherits from class "ff"

Usage

is.ff(x)

Arguments

x

any object

Value

logical scalar

Author(s)

Jens Oehlschlägel

See Also

Examples

is.ff(integer())

ff

Memory-Efficient Storage of Large Data on Disk and Fast Access Functions

v4.0.4
GPL-2 | GPL-3 | file LICENSE
Authors
Daniel Adler [aut], Christian Gläser [aut], Oleg Nenadic [aut], Jens Oehlschlägel [aut, cre], Martijn Schuemie [aut], Walter Zucchini [aut]
Initial release
2020-10-13

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