2013/7/10 Hisham <h@hisham.hm>:
> -- Hisham
>
http://hisham.hm/
>
>
> On 9 July 2013 12:23, Joseph Manning <manning@cs.ucc.ie> wrote:
>> On 2013-Jul-08 (Mon) at 09:01 (+0200), David Demelier wrote:
>>
>>>> 2013/7/7 Luis Carvalho <lexcarvalho@gmail.com>:
>>>> >
>>>> > isinteger = function(x)
>>>> > return type(x) == "number" and not math.isfloat(x)
>>>> > end
>>>>
>>>> Since this is very short, I don't see any objections about integrating
>>>> into the Lua core instead of writing it each time :-). Also there is
>>>> math.isfloat() why not math.isinteger?
>>>>
>>>> Much cleaner, much convenient
>>
>> Seconded!
>>
>> Rather than being bloat, to me it would *enhance* the simplicity
>> of Lua to have this convenience and symmetry, rather than having
>> to remember which one of 'isfloat' / 'isinteger' comes builtin,
>> and which one needs to be derived.
>
> Random suggestion: how about a single function math.type() that
> returns the number subtype, "float" or "integer"?
>
> At the risk of over-engineering, it also occurs to me that some
> libraries may want to know whether they're running with 32 or 64 bit
> ints or floats. This function could return that info as well, perhaps
> as a second return value.
>
I personally like much this idea too :-)
--
Demelier David
