[fpc-pascal] Next language feature for pas2js...
Michael Van Canneyt
michael at freepascal.org
Tue May 1 10:52:32 CEST 2018
On Tue, 1 May 2018, Mattias Gaertner wrote:
> On Tue, 1 May 2018 14:20:12 +0700
> Ryan Joseph <ryan at thealchemistguild.com> wrote:
>
>> > On May 1, 2018, at 2:03 PM, Michael Van Canneyt <michael at freepascal.org> wrote:
>> >
>> > Of sorts.
>> > MyClass = Class external name 'my'
>> > const
>> > MyConst : integer
>> > end;
>> >
>> > Will emit MyClass.MyConst. The compiler needs to know the type.
>>
>> I’m confused now.
>
> I think you confused Michael. ;)
>
> At the moment you can define external const like this:
> var
> NaN: Double; external name 'NaN';
> Infinity: Double; external name 'Infinity';
> NegInfinity: Double; external name '-Infinity';
>
> Note that the 'var' is a workaround till eventually pas2js supports
> external 'const' without expression.
Well, I specially did not mention this, because I consider it a dirty hack.
a var doesn't protect you from assigning to it (it's a variable, after all).
One preferably shouldn't teach people bad habits. :)
Michael.
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