Strict (non-coercing) expressions

[Mark S. Miller]

On Thu, Apr 13, 2017 at 11:08 AM, Bruno Jouhier <bjouhier at gmail.com> wrote:

> I like the idea of a block level annotation. Lighter and more practical
> than a new set of operators. Module level would be nice too. OTOH
> expression level feels a bit like overkill.
>
> Why not turn this into a more general _pragma_ syntax then?


We already have a pragma syntax. So how about

"use coercions, not!";

Just kidding about the actual text, but this "use x"; pragma pattern was
meant to be usable for more than just "use strict";. This pragma syntax was
designed to be ignored on versions of the language that do not yet
recognize the pragma. Such version compat seems appropriate for the issue
we're discussing.



> This would allow us to control other special conditions: throw on
> overflow, on divide by zero, etc.
>
>
>
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-- 
    Cheers,
    --MarkM
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