Error-Type Specific try/catch Blocks

Joseph Groseclose jgrosecl49 at gmail.com
Fri May 13 15:49:04 UTC 2016


Nevertheless, perhaps the non-standard implementation could work
hand-in-hand with the proposal, where SpiderMonkey could support both
solutions in parallel for backward compatibility. I think that the proposed
solution is more expressive.

On Fri, May 13, 2016 at 11:26 AM, Claude Pache <claude.pache at gmail.com>
wrote:

> Note that SpiderMonkey has already nonstandard conditional catch clauses:
>
> ```js
> try {
>     // ...
> }
> catch (e if e instanceof TypeError) {
>     // ....
> }
> ```
>
> —Claude
>
>
> Le 13 mai 2016 à 17:06, Joseph Groseclose <jgrosecl49 at gmail.com> a écrit :
>
> I sent this proposal via
> http://www.ecma-international.org/memento/contribute_TC39_Royalty_Free_Task_Group.php#
> yesterday evening. Sharing it here now:
> https://github.com/benderTheCrime/error-type-specific-catch-proposal
>
>
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>
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>
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