nargs
Number of Arguments to Function

### Description

nargs Counts the number of arguments that are passed in the current call to the specified function.

### Usage

    nargs()

Value
returns the number of actual arguments (including ... arguments) in the call to the function that calls nargs.
References
Becker, R. A., Chambers, J. M., and Wilks, A. R. 1988. The New S Language. Pacific Grove, CA: Wadsworth & Brooks/Cole Advanced Books and Software.
See Also
missing, args
Examples

    nargs()
    # [1] NA
    myfun <- function(..., a=4) nargs()
    myfun()                 # returns 0
    myfun(1:3,"bear")       # returns 2
    myfun(a=5, 1:3, "bear") # returns 3

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