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getGenerics(where, searchForm = FALSE)
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getGenerics(where, searchForm = FALSE)
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}
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}
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\section{Summary of Functions}{
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\section{Summary of Functions}{
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\describe{
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\describe{
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\item{\code{isGeneric}:}{
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\item{\code{isGeneric}:}{
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If \code{fdef} is \code{NULL}, then test if there is a formal
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Is there a function named \code{f}, and if so, is it a generic?
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generic function named \code{f} in the current search path or in
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the position specified by \code{where}.
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If \code{fdef} is non-\code{NULL}, then test if it is a formal
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generic function, with name matching \code{f} if \code{f} is not
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missing.
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The \code{getName} argument allows a function to find the name
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The \code{getName} argument allows a function to find the name
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from a function definition. If it is \code{TRUE} then the name of
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from a function definition. If it is \code{TRUE} then the name of
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the generic is returned, or \code{FALSE} if this is not a generic
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the generic is returned, or \code{FALSE} if this is not a generic
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function definition.
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function definition.
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57 |
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The behavior of \code{isGeneric} and \code{\link{getGeneric}} for
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58 |
The behavior of \code{isGeneric} and \code{\link{getGeneric}} for
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primitive functions is slightly different. These functions don't
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59 |
primitive functions is slightly different. These functions don't
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exist as formal function objects (for efficiency and historical
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60 |
exist as formal generic function objects (for efficiency and
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reasons), regardless of whether methods have been defined for
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61 |
historical reasons), regardless of whether methods have been
|
| 56 |
them. A call to \code{isGeneric} tells you whether methods have
|
- |
|
| 57 |
been defined for this primitive function, anywhere in the current
|
62 |
defined for them. For a primitive function, \code{isGeneric}
|
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search list, or in the specified position \code{where}. In
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tests whether non-default methods have been defined, whereas
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contrast, a call to \code{\link{getGeneric}} will return what the
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64 |
\code{\link{getGeneric}} returns what the formal generic function
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generic for that function would be, even if no methods have been
|
65 |
object would be, even if no methods have been defined.
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| 61 |
currently defined for it.
|
- |
|
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}
|
66 |
}
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67 |
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\item{\code{removeGeneric}, \code{removeMethods}:}{
|
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\item{\code{removeGeneric}, \code{removeMethods}:}{
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Remove all the methods for the generic function of this
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Remove all the methods for the generic function of this
|
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name. In addition, \code{removeGeneric} removes the function
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name. In addition, \code{removeGeneric} removes the function
|
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