isGenericS3: Checks if a function is a S3/UseMethod generic function
Description
Checks if a function is a S3/UseMethod generic function.Usage
## S3 method for class 'default':
isGenericS3(fcn, envir=parent.frame(), ...)
Value
- Returns
TRUE if a generic S3/UseMethod function, otherwise FALSE.
Details
A function is considered to be a generic S3/UseMethod function if its
body, that is the source code, contains the regular pattern
"UseMethod[(]".