Thanks for the pointers; yes, that would work. However, this really smells of the indirect way one needs to express things in C++ template metaprogramming -- one of the reasons I'm currently trying to switch to Julia.
-erik On Fri, Sep 11, 2015 at 3:30 PM, Josh Langsfeld <[email protected]> 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 <[email protected]> >> http://www.perimeterinstitute.ca/personal/eschnetter/ >> > -- Erik Schnetter <[email protected]> http://www.perimeterinstitute.ca/personal/eschnetter/
