Do others get this warning? If so, what modification of Mike's macro avoids
it?
WARNING: deprecated syntax "{a,b, ...}".
Use "Any[a,b, ...]" instead.
On Thursday, September 3, 2015 at 8:12:50 PM UTC-4, Jeffrey Sarnoff wrote:
>
> tip o' hat to that
>
> this minor edit, omitting {Any,Any} (following Jeff B's note) gives back
> some autotyping
>
>
> function procmap(d)
> @capture(d, {xs__}) || return d
> :(Dict($(map(prockey, xs)...)))
> end
>
> On Thursday, September 3, 2015 at 4:40:54 PM UTC-4, Mike Innes wrote:
>>
>> FWIW I mocked up a json syntax macro:
>>
>> using MacroTools, Lazy
>>
>> import MacroTools: prewalk
>>
>> function prockey(key)
>> @capture(key, (a_:b_) | (a_=>b_)) || error("Invalid json key $key")
>> isa(a, Symbol) && (a = Expr(:quote, a))
>> :($a=>$b)
>> end
>>
>> function procmap(d)
>> @capture(d, {xs__}) || return d
>> :(Dict{Any, Any}($(map(prockey, xs)...)))
>> end
>>
>> macro json(ex)
>> @>> ex prewalk(procmap) esc
>> end
>>
>> Michael's original example becomes:
>>
>> data = @json {
>> displayrows: 20,
>> cols: [
>> { col: "l1" },
>> { col: "l2" },
>> { col: "l3" },
>> { col: "num", display: true },
>> { col: "sum", display: true, conf: { style: 1, func:
>> { method: "sum", col: "num" } } }
>> ]
>> # ...
>> }
>>
>> You might argue that it's actually nicer than the original.
>>
>> On Thu, 3 Sep 2015 at 21:22 Scott Jones <scott.pa...@gmail.com> wrote:
>>
>>> Another use is marking off the keyword arguments or parameters.
>>>
>>>
>>> On Thursday, September 3, 2015 at 3:11:34 PM UTC-4, Jonathan Malmaud
>>> wrote:
>>>>
>>>> What are the other uses of ; in Julia? I can only think of suppressing
>>>> output on the REPL and separating expressions on a single line - neither
>>>> seems inconsistent or really related at all to the use within [].
>>>>
>>>> On Thursday, September 3, 2015 at 3:06:22 PM UTC-4, Scott Jones wrote:
>>>>>
>>>>>
>>>>>
>>>>> On Thursday, September 3, 2015 at 1:47:07 PM UTC-4, Sean Marshallsay
>>>>> wrote:
>>>>>>
>>>>>> [1:10;] is simply a consequence of matrix literal syntax (like [1:10;
>>>>>> 11:20]) and gets translated into vcat(1:10). It might be a bit confusing
>>>>>> but there's no point in making it a special case
>>>>>>
>>>>>
>>>>> Yes, I understand that, and that too is not consistent with the use of
>>>>> ; outside of [ ].
>>>>> spaces, colon, semicolon, and commas are all treated specially instead
>>>>> of [ ], which can be rather confusing.
>>>>> Some of that special behavior is being deprecated, but some remains.
>>>>>
>>>>>
>>>>
