Your errors are with the typo in "Furniture" (which leads to ERROR:
UndefVarError: Furniture not defined) and the parentheses around your type
parameterization here:
julia> f({T <: Furnature})(::Type{T}) = 10
The correct function definition should be
julia> f{T <: Furniture}(::Type{T}) = 10
On Monday, August 3, 2015 at 4:44:31 PM UTC-7, Jeffrey Sarnoff wrote:
>
> would you mind updating this, I just ran it and did not know how to
> change " {T <: Furnature}" to "Use Any[a,b, ..] instead", thank you
>
> julia> abstract Furnature
>
> julia> type Table <: Furnature
> end
>
> julia> f({T <: Furnature})(::Type{T}) = 10
>
> WARNING: deprecated syntax "{a,b, ...}".
> Use "Any[a,b, ...]" instead.
> ERROR: syntax: invalid method name "f({T<:Furnature})"
>
> julia> f(::Furnature) = 17
> f (generic function with 1 method)
>
> julia> f(Furniture)
> ERROR: UndefVarError: Furniture not defined
>
> julia> f(Table)
> ERROR: MethodError: `f` has no method matching f(::Type{Table})
>
> julia> f(Table())
> 17
>
>
>
> On Thursday, July 23, 2015 at 1:59:43 PM UTC-4, Tom Breloff wrote:
>>
>> And to be complete, depending on your use-case:
>>
>> julia> abstract Furniture
>>
>> julia> type Table <: Furniture end
>>
>> julia> f(::Furniture) = 10
>> f (generic function with 1 method)
>>
>> julia> f(Table())
>> 10
>>
>>
>>
>> On Thursday, July 23, 2015 at 1:01:39 PM UTC-4, Vinuth Madinur wrote:
>>>
>>> Yes!
>>>
>>> Thats awesome.
>>>
>>> Thanks,
>>> Vinuth.
>>>
>>>
>>> On Thursday, July 23, 2015 at 10:10:04 PM UTC+5:30, Seth wrote:
>>>>
>>>> Is this what you're looking for?
>>>>
>>>> julia> abstract Furniture
>>>>
>>>> julia> type Table <: Furniture end
>>>>
>>>> julia> f{T<:Furniture}(::Type{T}) = 10
>>>> f (generic function with 1 method)
>>>>
>>>> julia> f(Furniture)
>>>> 10
>>>>
>>>> julia> f(Table)
>>>> 10
>>>>
>>>>
>>>>
>>>> On Thursday, July 23, 2015 at 9:34:12 AM UTC-7, Vinuth Madinur wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> Is there a way to do function dispatch on subtypes? For example,
>>>>> consider the following:
>>>>>
>>>>> > abstract Furniture
>>>>>
>>>>> > type Table <: Furniture end
>>>>>
>>>>> > f(::Type{Furniture}) = 10
>>>>>
>>>>> > f(Furniture)
>>>>> 10
>>>>>
>>>>> > f(Table)
>>>>> Error.....
>>>>>
>>>>> How do I enable the same function to be called when I do f(Table)?
>>>>>
>>>>>
>>>>> Thanks,
>>>>> Vinuth.
>>>>>
>>>>>
