On Monday, 2 May 2016 at 17:50:50 UTC, tsbockman wrote:
On Monday, 2 May 2016 at 17:37:14 UTC, Basile B. wrote:
templatized functions in classes will never be virtual and there's a technical reason explained here:

https://issues.dlang.org/show_bug.cgi?id=1657#c1

(TL;DR: it's problematic to generate the vtbl)

[...]

That's not how it works currently, but there is no technical reason it couldn't be *made* to work that way.

Obviously this would be a breaking change though; `this T` template methods that should retain the current behaviour could be marked `final`. (Given that non-template methods are virtual by default, I think requiring template methods to be marked `final` would improve code clarity, anyway.)

Not that much a breaking change. Perhaps a slight decrease of the performances...and even not indeed: in all the previous usages devirtualization of the will be possible.

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