The ordered() factor booltypes ranks the boolean types.
booltypesAn object of class ordered (inherits from factor) of length 6.
There are currently six boolean types, booltypes is an ordered() vector with the
following ordinal levels():
nobool: non-boolean type
logical(): for representing any boolean data including NA
bit(): for representing dense boolean data
bitwhich(): for representing sparse (skewed) boolean data
which(): for representing sparse boolean data with few `TRUE
ri(): range-indexing, for representing sparse boolean data with a single range of
TRUE
booltypes has a names() attribute such that elements can be selected by name.
booltype(), is.booltype(), as.booltype()