Pull request submitted
https://github.com/JuliaLang/julia/pull/12931
On Thursday, September 3, 2015 at 9:02:33 AM UTC-4, Michael Francis wrote:
>
> julia> eltype( Dict( :x => 1, :y => 2 ) )[1]
> ERROR: MethodError: `convert` has no method matching convert(::Type{Pair{
> Symbol,Int64}}, ::Int64)
> This may have arisen from a call to the constructor Pair{Symbol,Int64
> }(...),
> since type constructors fall back to convert methods.
> Closest candidates are:
> Pair{A,B}(::Any, ::Any)
> call{T}(::Type{T}, ::Any)
> convert{T}(::Type{T}, ::T)
> in getindex at array.jl:167
>
>
> Is this intentional ? This breaks a package I am dependent on - I believe
> the assumption was that Pair would respect the tuple API, this appears to
> not be the case ?
>
> collect( eltype( Dict( :x => 1, :y => 2 ) ) )
> ERROR: MethodError: `start` has no method matching start(::Type{Pair{
> Symbol,Int64}})
> in collect at array.jl:255
> in collect at array.jl:262
>
>
>
