[julia-users] Passing variable number of arguments from one function to another one

[Alex]

Hi all, 

Why the following code doesn't work?

function boo(x, y)
    x*y
end


function foo(a, b, x...)
    boo(x)
end

z=3,4

foo(1,2,z)
foo(1,2,z...)

ERROR: LoadError: MethodError: `boo` has no method matching boo(::Tuple{
Tuple{Int64,Int64}})

According to the documentation 
<http://docs.julialang.org/en/release-0.4/manual/functions/> :

 it is often handy to “splice” the values contained in an iterable 
> collection into a function call as individual arguments. 

To do this, one also uses ... but in the function call instead


I used ... in a function call, but it doesn't help.