On Fri, Feb 26, 2016 at 9:35 PM, Yichao Yu <yyc1...@gmail.com> wrote:
> On Fri, Feb 26, 2016 at 9:34 PM, Ben Ward <axolotlfan9...@gmail.com> wrote:
>> Ohhh I see it, yep. Can't give a number in a parametric type definition -
>> ugh, well that's tiredness!
>
> Admittedly the macro expansion probably should have swallowed the error
.....

And I obviously meant `shouldn't have` ....

>
>>
>>
>> On Saturday, February 27, 2016 at 2:12:43 AM UTC, Ben Ward wrote:
>>>
>>> Hi,
>>>
>>> I'm trying to create a macro for the BioJulia project which will allow
>>> easy creation of biological alphabets, which will work with the new
>>> BioSequence type we are designing as a major improvement to the Seq module.
>>> As it will be creating types and functions, I expect hygiene will be an
>>> issue, but before I even get to that, let's start simple. Just a quote, and
>>> some interpolation:
>>>
>>> macro create_alphabet(alph_name, n_bits)
>>>
>>>
>>>            quote
>>>
>>>
>>>                immutable $(alph_name){$(n_bits)} <: Alphabet end
>>>
>>>
>>>            end
>>>
>>>
>>>        end
>>>
>>>
>>> @create_alphabet (macro with 1 method)
>>>
>>>
>>> julia> abstract Alphabet
>>>
>>>
>>> julia> @create_alphabet hi 1
>>>
>>>
>>> ERROR: syntax: malformed expression
>>>
>>>
>>>  in eval(::Module, ::Any) at ./boot.jl:267
>>>
>>>
>>>
>>>
>>> For the life of me, I really cannot see what I've done wrong - it's one
>>> line with two interpolated words! What massively obvious thing am I being a
>>> moron about at 2 am?
>>>
>>> Thanks,
>>> Ben.

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