[R] generic function-method arguments accessible by tab-key

[Robert Bauer]

found the solution:

v <- function(x, ...) UseMethod("v")

setMethod('v', signature(x='character'), function(x, ...) v.print(x, ...))
setMethod('v', signature(x='numeric'), function(x, ...) v.numeric(x, ...))

v.print <- function(x,y=x,z=x) print(paste(x,y,z))
v.numeric <- function(x,u=3*x) print(u*x)

examples:
v(1)
v('a')

The tab-key after typing 'v( gives:
x=
...
u=
y=
z=



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