This function is soft-deprecated, please use call2()
instead.
lang(.fn, ..., .ns = NULL)new_language(head, tail = NULL)
Function to call. Must be a callable object: a string, symbol, call, or a function.
Arguments to the call either in or out of a list. These dots support tidy dots features.
Namespace with which to prefix .fn
. Must be a string
or symbol.