[julia-users] Re: Inheriting from Real works, from AbstractFloat does not?

[Jeffrey Sarnoff]

using v0.4 from nightly a few days ago

On Monday, August 24, 2015 at 10:56:59 PM UTC-4, Jeffrey Sarnoff wrote:
>
> julia> immutable SubtypeReal <: Real
>            val::Float64
>        end
>
> julia> a=SubtypeReal(5.0)
> SubtypeReal(5.0)
>
> julia> immutable SubtypeAbsFloat <: AbstractFloat
>            val::Float64
>        end
>
> julia> a=SubtypeAbsFloat(5.0)
> Error showing value of type SubtypeAbsFloat:
> ERROR: - not defined for SubtypeAbsFloat
>  in _show at grisu.jl:64
>  in show at grisu.jl:119
>  ...
>  in run_repl at ./REPL.jl:166
>  in _start at ./client.jl:453
>
> Defining show for it does not help.
>
>