The name of a function that uses functional dispatching. This
is just the name of the function being defined
type.fn
The function representing the type constructor
type.name
The name of the type
...
The arguments that are passed to dispatched functions
Details
This function is used internally and generally does not need to be called
by an end user.
Value
Returns the value of the dispatched function
Author(s)
Brian Lee Yung Rowe
See Also
%as%
Examples
# Note that these are trivial examples for pedagogical purposes. Due to their
# trivial nature, most of these examples can be implemented more concisely
# using built-in R features.
reciprocal(x) %::% numeric : numeric
reciprocal(x) %when% {
x != 0
} %as% {
1 / x
}
reciprocal(x) %::% character : numeric
reciprocal(x) %as% {
reciprocal(as.numeric(x))
}
seal(reciprocal)
print(reciprocal)
reciprocal(4)
reciprocal("4")