retrieveFunctionArgumentNames | R Documentation |
Retrieve function argument names from a function or a primitive.
retrieveFunctionArgumentNames(fun_f_1)
fun_f_1 |
a function or primitive. Not a string! |
A vector
of strings
that are the function names.
Fabien Gelineau <neonira@gmail.com>
Maintainer: Fabien Gelineau <neonira@gmail.com>
See retrieveFunctionArguments
.
See formalArgs
.
# typical test on a primitive
retrieveFunctionArgumentNames(sin)
#[1] "x"
# typical test on a function
retrieveFunctionArguments(ls)
#[1] "name" "pos" "envir" "all.names" "pattern" "sorted"
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