Description Usage Arguments Details Value See Also Examples
This function returns a character vector of the symbols defined by an expression.
1 | names_defined(x, ...)
|
x |
A language object, |
... |
Further arguments to methods. |
If you need both the symbols defined and the symbols used by an expression,
it is more efficient to first call get_symbols()
on the expression and
then call names_defined()
and names_used()
on the result.
A character vector.
names_used()
, get_symbols()
, CodeDepends::getInputs()
1 2 3 4 5 6 7 | expr = quote(x = x + y)
names_defined(expr)
# If defined symbols and used symbols are both needed:
symbols = get_symbols(expr)
names_defined(symbols)
names_used(symbols)
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