Displays the argument names and corresponding default values of a function or primitive.
- a function (a closure or a primitive). If
nameis a character string then the function with that name is found and used.
This function is mainly used interactively to print the argument list of a function. For programming, consider using
For a closure, a closure with identical formal argument list but an empty (
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.
Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.
Documentation reproduced from R 3.0.2. License: GPL-2.