Description Usage Arguments Details Value Author(s) Examples
Finds global functions and variables used by a closure.
1 | findGlobals(fun, merge = TRUE)
|
fun |
function object; usually a closure. |
merge |
logical |
The result is an approximation. R semantics only allow variables
that might be local to be identified (and event that assumes no use
of assign
and rm
).
Character vector if merge
is true; otherwise, a list with
functions
and variables
character vector components.
Character vectors are of length zero For non-closures.
Luke Tierney
1 2 |
[1] "<-" "==" "assign" "c" "collectUsage"
[6] "if" "list" "ls" "mkHash" "sort"
[11] "unique" "{"
$functions
[1] "<-" "==" "assign" "c" "collectUsage"
[6] "if" "list" "ls" "mkHash" "sort"
[11] "unique" "{"
$variables
character(0)
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