On 20 May 2016 at 18:26, Walter Bright via Digitalmars-d-announce
<digitalmars-d-announce@puremagic.com> wrote:
> On 5/19/2016 11:50 PM, Manu via Digitalmars-d-announce wrote:
>> Ah. Okay, well while this is a very interesting talk, I was indeed
>> hoping you were going to make a D concepts proposal... do you have
>> such a thing in mind, or are you against concepts in D?
> D has constraints. No point in adding concepts.

I really struggle to agree. Constraints are a good first-step in that
direction, but they're unwieldy, produce the worst looking function
signatures (read: documentation) of literally any language ever
conceived, relatively awkward error feedback, and very quickly get out
of hand if you have many variations of possible constraints.

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