final switch and straight integers
Steven Schveighoffer via Digitalmars-d
digitalmars-d at puremagic.com
Thu Apr 21 05:47:08 PDT 2016
On 4/20/16 4:23 AM, Johan Engelen wrote:
> On Wednesday, 20 April 2016 at 06:36:01 UTC, bearophile wrote:
>>
>> It's easy to cover all the values in a switch, using ranges.
>
> Not as easy as you would think:
> int i;
> switch(i) {
> case 0: .. case 9:
> break;
> case 10: ..case 10000000:
> break;
> default:
> break;
> }
> --> Error: had 9999990 cases which is more than 256 cases in case range
>
> The FE always lowers CaseRangeStatements into a list of CaseStatements,
> so LDC currently has the same limitation.
>
Um... this seems a horrid limitation.
-Steve
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