El sábado, 16 de mayo de 2015, 18:26:48 (UTC-5), Eka Palamadai escribió:
>
> I am trying to write a function f1 that takes a function f2 and arguments 
> of f2 as parameters,
> modifies some arguments of f2,  and calls f2 with the modified arguments.
>
> function f1(f2::Function, args...)
>   #iterate through the args and modify some of the contents of args
>   f2(args)
> end
>

Depending on what you mean by "modifying", you don't need metaprogramming 
for this. 
For example:

 
modify(x::Int) = 2x
modify(x::Float64) = 3x

function f1(args...)
    new_args = [modify(arg) for arg in args]
    f2(new_args...)
end

function f2(a, b)
    @show a, b
end

f1(2, 3.5)


 

>
> Any suggestions on how to do this?
>
> Thanks.
>
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