Extend the class attribute by a given class name
Usage
addClass(x, className, first = TRUE, dbg = FALSE)
Arguments
- x
R object
- className
name of the class to be added to x
- first
if TRUE (default) the className is prepended to
the vector of existing class names, otherwise appended to the end of the
vector
- dbg
if TRUE (default), debug messages are shown.
Value
x with the class attributed extended by
className (only if x did not yet inherit from
className)