ftype: Determine function type.
In r-lib/sloop: Helpers for 'OOP' in R
ftype R Documentation
Determine function type.
Description
This function figures out whether the input function is a
regular/primitive/internal function, a internal/S3/S4 generic, or a
S3/S4/RC method. This is function is slightly simplified as it's possible
for a method from one class to be a generic for another class, but that
seems like such a bad idea that hopefully no one has done it.
Usage
ftype(f)
Arguments
f
unquoted function name
Value
a character of vector of length 1 or 2.
Examples
ftype(`%in%`)
ftype(sum)
ftype(t.data.frame)
ftype(t.test) # Tricky!
ftype(writeLines)
ftype(unlist)
r-lib/sloop documentation built on Nov. 4, 2023, 4:20 a.m.
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| ftype | R Documentation |
Determine function type.
Description
This function figures out whether the input function is a regular/primitive/internal function, a internal/S3/S4 generic, or a S3/S4/RC method. This is function is slightly simplified as it's possible for a method from one class to be a generic for another class, but that seems like such a bad idea that hopefully no one has done it.
Usage
ftype(f)
Arguments
f |
unquoted function name |
Value
a character of vector of length 1 or 2.
Examples
ftype(`%in%`)
ftype(sum)
ftype(t.data.frame)
ftype(t.test) # Tricky!
ftype(writeLines)
ftype(unlist)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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