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Re: [wg14/wg21 liaison] labels

From: Bjarne Stroustrup <bjarne_at_[hidden]>
Date: Wed, 12 Aug 2020 21:31:01 +0200
I meant that as a general statement. Obviously, I prefer a simpler
grammar, but simplifying the grammar should not be a sole of major
reason for a change.

On 8/12/2020 9:25 PM, Ville Voutilainen wrote:
> On Wed, 12 Aug 2020 at 22:20, Bjarne Stroustrup via Liaison
> <liaison_at_[hidden]> wrote:
>> Grammar factoring should be driven by needs of semantic and use cases, not merely ease of expressing syntax.
> Here's the thing though: this change makes the language more regular
> and simpler. It makes it possible to put labels
> anywhere in a function scope, and just jump to them (jumping into some
> scopes is still not allowed, no change there).
> No magic rules like "oh but it can't be the very last thing, you
> need to insert this no-op after it, not because we can't parse it and
> analyze it, but because we just.. ..say so".
> Again, it's probably not covering use cases that we think a large
> volume of C++ programmers run into. But
> it has some rather attractive qualities.

Received on 2020-08-12 14:34:28