Description Usage Arguments Details Examples
Create a reference to an arbitrary R object. See ref
for more details. sref
behaves
similar to ref
, but does not have support for direct operations on the referenced object.
1 | sref(x)
|
x |
object to be referenced. |
sref
is similar to ref
; it accepts either an R object or an expression, then records
its location. ref
objects prioritize convenience, while sref
objects prioritize clarity and
safety. For example, `[`
and `$`
can be used on a ref
object to access the elements
of the underlying object, while `[<-`
and `$<-`
can be used to overwrite elements within.
These do not work for sref
objects. Furthermore, base mathematical functions such as `+`
and sqrt
also will not automatically dereference before applying.
1 2 3 4 5 6 7 8 9 10 11 12 13 |
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