tbl()
is the standard constructor for tbls. as.tbl()
coerces,
and is.tbl()
tests.
make_tbl(subclass, ...)
name of subclass. "tbl" is an abstract base class, so you
must supply this value. tbl_
is automatically prepended to the
class name
For tbl()
, other fields used by class. For as.tbl()
,
other arguments passed to methods.
to test/coerce.