Create a Skeleton File for a New Method
This function writes a source file containing a call to
setMethod to define a method for the generic function
and signature supplied. By default the method definition is in line
in the call, but can be made an external (previously assigned) function.
method.skeleton(generic, signature, file, external = FALSE, where)
- the character string name of the generic function, or
the generic function itself. In the first case, the function
need not currently be a generic, as it would not for the
resulting call to
- the method signature, as it would be given to
- a character string name for the output file, or a
writable connection. By default the generic function name and
the classes in the signature are concatenated, with separating
underscore characters. The file name should normally end in
- flag to control whether the function definition for
the method should be a separate external object assigned in the
source file, or included in line in the call to
setMethod. If supplied as a character string, this will be used as the name for the external function; by default the name concatenates the generic and signature names, with separating underscores.
- The environment in which to look for the function; by default,
the top-level environment of the call to
fileargument, invisibly, but the function is used for its side effect.
setClass("track", representation(x ="numeric", y="numeric")) method.skeleton("show", "track") ## writes show_track.R method.skeleton("Ops", c("track", "track")) ## writes "Ops_track_track.R" ## write multiple method skeletons to one file con <- file("./Math_track.R", "w") method.skeleton("Math", "track", con) method.skeleton("exp", "track", con) method.skeleton("log", "track", con) close(con)