Create a call

These functions are deprecated, please use call2() and new_call() instead.

lang(.fn, ..., .ns = NULL)

new_language(head, tail = NULL)

Arguments

.fn	Function to call. Must be a callable object: a string, symbol, call, or a function.
...	<dynamic> Arguments for the function call. Empty arguments are preserved.
.ns	Namespace with which to prefix .fn. Must be a string or symbol.