Dear Gregg,
Thank you for the fast response.
I believe though that isGeneric works only for S4-functions:
isGeneric("plot")
# FALSE
I still try to get it to work.
Sincerely,
Leonard
On 3/8/2023 9:13 PM, Gregg Powell wrote:
Yes, there is a way to check if a function is generic. You can use the
isGeneric function to check if a function is generic. Here's an updated version
of the args function that includes a check for generic functions:
args = function(name, default = TRUE) {
if(default && isGeneric(name)) {
fn = paste0(as.character(name), ".default")
name = fn
}
.Internal(args(name))
}
r/
Gregg
------- Original Message -------
On Wednesday, March 8th, 2023 at 12:09 PM, Leonard Mada via R-help
<[email protected]> wrote:
Dear R-Users,
I want to change the args() function to return by default the arguments
of the default generic function:
args = function(name, default = TRUE) {
# TODO: && is.function.generic();
if(default) {
fn = match.call()[[2]];
fn = paste0(as.character(fn), ".default");
name = fn;
}
.Internal(args(name));
}
Is there a nice way to find out if a function is generic: something like
is.function.generic()?
Many thanks,
Leonard
=======
Note:
- the latest version of this code will be on GitHub: [edited]
https://github.com/discoleo/R/blob/master/Stat/Tools.Code.R
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