Your type’s definition doesn’t seem to depend upon T in any way. Keep in mind 
that the type is really just the first two lines of your code:

type Myt{T <: Real}
  n::Int64
  chain::Array
end

The constructor isn’t part of the type itself, so the dependency on T needs to 
occur in the type.

 — John

On Jun 11, 2014, at 8:04 AM, Florian Oswald <[email protected]> wrote:

> Hi,
> 
> I'm trying to understand why this is not working:
> 
> type Myt{ T<:Real}
>     n :: Int64
>     chain :: Array
>     function Myt(n,z::T) 
>         x = [z for i=1:n]
>         new(n,x)
>     end
> end
> 
> i get the error
> julia> Myt(10,18.0)
> ERROR: no method Myt{T<:Real}(Int64, Float64)
> 
> I thought that was very similar to the point example on the manual?
> 
> type Point{T<:Real}
>   x::T
>   y::T
> 
>   Point(x::T, y::T) = new(x,y)
> end
> 
> thanks
> 

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