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
.... We return the object, including
only the elements with names matched from
An R object with a
an optional number of 'names' to match in
We can be 'lazy' with how we pass names. The
... are not evaluated directly; rather, their character
representation is taken and used for extraction.
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