Extracts elements from an R object with the names
attribute set in a 'lazy' way. The first argument is the
object, while the second is a set of names parsed from
.... We return the object, including only the
elements with names matched from ....
Usage
extract(x, ...)
Arguments
x
An R object with a names attribute.
...
an optional number of 'names' to match in
dat.
Details
We can be 'lazy' with how we pass names. The
names passed to ... are not evaluated
directly; rather, their character representation is taken
and used for extraction.