Maybe like so:
julia> module Myfunc
export f
f(x) = g(x) * g(x)
function g end
end
julia> using Myfunc
julia> f(4)
ERROR: MethodError: `g` has no method matching g(::Int64)
in f at none:3
julia> Myfunc.g(x) = 2x
g (generic function with 1 method)
julia> f(4)
64
On Fri, 2016-04-01 at 05:39, [email protected] wrote:
> Hi all,
>
> This works:
> f(x) = g(x) * g(x)
> g(x) = x + 1
> f(2) # 9
>
> That is, f(x) isn't fully defined until g is defined.
>
> But if f(x) is in a module it doesn't work:
> module myfunc
> export f
> f(x) = g(x) * g(x)
> end
>
> using myfunc
> g(x) = x + 1
> f(2) # ERROR: UndefVarError: g not defined
>
> That is, myfunc.f(x) cannot access global g(x) if g(x) is defined after
> myfunc (or even before). Is it possible to enable myfunc.f to "see" g?
> Any other ways to achieve the same thing?
>
> Cheers,
> Jock
