retrieveFunctionArgumentNames {wyz.code.offensiveProgramming}

Retrieve Function Argument Names.

Description

Retrieve function argument names from a function or a primitive.

Usage

retrieveFunctionArgumentNames(fun_f_1)

Arguments

fun_f_1

a function or primitive. Not a string!

Value

A vector of strings that are the function names.

Author(s)

Fabien Gelineau <[e-mail]>

Maintainer: Fabien Gelineau <[e-mail]>

See Also

See retrieveFunctionArguments. See formalArgs.

Examples

# typical test on a primitive
retrieveFunctionArgumentNames(sin)
#[1] "x"

# typical test on a function
retrieveFunctionArguments(ls)
#[1] "name"      "pos"       "envir"     "all.names" "pattern"   "sorted"