position_symbol {mmrm} | R Documentation |
A thin wrapper around base::Position()
to search through a list of language
objects, as produced by flatten_call()
or flatten_expr()
, for the
presence of a specific symbol.
position_symbol(x, sym, ...)
x |
( |
sym |
( |
... |
Additional arguments passed to |
The position of the symbol if found, or the nomatch
value
otherwise.