Displays the argument names and corresponding default values of a
function or primitive.
Usage
args(name)
Arguments
name
a function (a closure or a primitive).
If name is a character string then the function with that
name is found and used.
Value
For a closure, a closure with identical formal argument list but an
empty (NULL) body.For a primitive, a closure with the documented usage and NULL
body. Note that some primitives do not make use of named arguments
and match by position rather than name.NULL in case of a non-function.
Details
This function is mainly used interactively to print the argument list
of a function. For programming, consider using formals
instead.
References
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988)
The New S Language.
Wadsworth & Brooks/Cole.