@Scott maybe it's just me, but passing a tuple to the method that's 
responsible for constructing precisely that same tuple is kind of 
unsatisfying! =p

On Friday, July 10, 2015 at 9:51:17 AM UTC-4, Scott Jones wrote:
>
> You need to pass a tuple to the constructor, i.e.:
> julia> x = Tuple{Int64}
> Tuple{Int64} 
> julia> x((1,)) 
> (1,) 
>
>
>
> On Friday, July 10, 2015 at 9:40:44 AM UTC-4, andrew cooke wrote:
>>
>>
>> sorry, more confusion...  why doesn't this work?
>>
>> julia> Tuple{Int}(1)
>> ERROR: MethodError: `convert` has no method matching convert(::Type{Tuple
>> {Int64}}, ::Int64)
>> This may have arisen from a call to the constructor Tuple{Int64}(...),
>> since type constructors fall back to convert methods.
>> Closest candidates are:
>>   call{T}(::Type{T}, ::Any)
>>   convert{T<:Tuple{Any,Vararg{Any}}}(::Type{T<:Tuple{Any,Vararg{Any}}}, 
>> ::T<:Tuple{Any,Vararg{Any}})
>>   convert{T<:Tuple{Any,Vararg{Any}}}(::Type{T<:Tuple{Any,Vararg{Any}}}, 
>> ::Tuple{Any,Vararg{Any}})
>>   ...
>>  in call at essentials.jl:56
>>
>> this does:
>>
>> julia> immutable Tuple2{A,B}
>>          a::A
>>          b::B
>>        end
>>
>> julia> Tuple2{Int,Int}(1,2)
>> Tuple2{Int64,Int64}(1,2)
>>
>> and the docs at https://julia.readthedocs.org/en/latest/manual/types/ 
>> seem to imply that's how Tuple should work too.
>>
>> thanks,
>> andrew
>>
>>

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