> Yes, I guess this would work. I'm not keen on the function names proposed
> there, as the same ones are used in Base to access fields of objects, but
> an interface similar to `nfields`, `getfield`, `fieldtype` where `field`
> has been replace by `param` would work.
That would be good feedback for Tuples.jl.
> -erik
>
> On Fri, Sep 11, 2015 at 4:02 PM, Mauro <mauro...@runbox.com> wrote:
>
>> The interface Matt is prototyping for Tuple{}'s
>> https://github.com/mbauman/Tuples.jl
>> could (should?) be expanded for any type-parameters. (Or does it already
>> work?)
>>
>> On Fri, 2015-09-11 at 21:54, David Gold <david.gol...@gmail.com> wrote:
>> > I'm not convinced it's more Julian to use such a helper function, since
>> it
>> > will needlessly compile a different method for each distinct set of
>> > parameters. Directly accessing the `parameter` field of the type in
>> > question avoids this.
>> >
>> > On Friday, September 11, 2015 at 12:30:16 PM UTC-7, Josh Langsfeld wrote:
>> >>
>> >> You can access the 'parameters' field of a type instance object. But the
>> >> standard Julian way to get type parameters is to just define a helper
>> >> function:
>> >>
>> >> typeparams{A,B}(::Type{T{A,B}}) = A,B
>> >>
>> >> On Friday, September 11, 2015 at 3:20:17 PM UTC-4, Erik Schnetter wrote:
>> >>>
>> >>> Is there a function in Julia that allows accessing the parameters of a
>> >>> type?
>> >>>
>> >>> For example, if I have
>> >>>
>> >>> type T{A,B} end
>> >>>
>> >>> then I'd like a way to convert `T{Int, Char}` to `(Int, Char)`.
>> >>>
>> >>> In other words, is there a way to get at the contents of `DataType`
>> >>> objects?
>> >>>
>> >>> Thanks,
>> >>> -erik
>> >>>
>> >>> --
>> >>> Erik Schnetter <schn...@gmail.com>
>> >>> http://www.perimeterinstitute.ca/personal/eschnetter/
>> >>>
>> >>
>>
>>
