I don’t know of such a function but if you just wanted information from the REPL methods will give you a list. Does that help?
julia> foo(x,y,z) = 4 foo (generic function with 1 method) julia> foo(x,y) = 4 foo (generic function with 2 methods) julia> methods(foo) # 2 methods for generic function "foo": foo(x,y,z) at none:1 foo(x,y) at none:1 On Thursday, October 16, 2014 7:30:02 AM UTC-7, Evan Pu wrote: I'm assuming the function only has a single method, although a more general > answer would be nice too. > Imagine I have: > f(x,y,z) = x + y + z > > I would like to have something like > num_args(f) > which should give back 3 > > is there something that could let me do this? > thanks a lot!! >
