Search for a Method for a Generic Function
DESCRIPTION:
Search to see if a method with signature
sig
exists for generic function
f
, possibly via class extensions or group generics.
USAGE:
hasMethod
(
f
,
sig
)
REQUIRED ARGUMENTS:
- f
-
Name of the generic function.
OPTIONAL ARGUMENTS:
- sig
-
Signature of the method to search for. If
sig
is not supplied, searches for default method.
VALUE:
Logical value. Returns
TRUE
if generic function has a method (possibly via class extensions or group generics) for signature
sig
,
FALSE
otherwise.
SEE ALSO:
,
,
,
EXAMPLES:
hasMethod("plot")
## returns T for default method