On Sunday, 18 April 2021 at 23:04:26 UTC, ShadoLight wrote:
On Wednesday, 14 April 2021 at 14:06:18 UTC, FeepingCreature
wrote:
On Wednesday, 14 April 2021 at 13:43:20 UTC, Berni44 wrote:
[..]
Covariance is related ...
[..]
The opposite (contravariance) happens ...
[..]
Nice answer
Also three words are used in this context.
Static binding, dynamic binding, late binding.
On Wednesday, 14 April 2021 at 14:06:18 UTC, FeepingCreature
wrote:
On Wednesday, 14 April 2021 at 13:43:20 UTC, Berni44 wrote:
[..]
Covariance is related ...
[..]
The opposite (contravariance) happens ...
[..]
Nice answer but, just to be clear - D only supports covariance on
return
On Wednesday, 14 April 2021 at 13:43:20 UTC, Berni44 wrote:
I'm trying to understand, what virtual functions are. I found
the
[specs](https://dlang.org/spec/function.html#virtual-functions), but I can't make head or tail of it.
- What is a `vtbl[]`? Obviously a function pointer table
On Wednesday, 14 April 2021 at 13:43:20 UTC, Berni44 wrote:
I'm asking, because I'm currently writing new docs for
`std.format`. The [current (stable) docs of
`formatValue`](https://dlang.org/phobos/std_format.html#formatValue) tell, that some `toString` versions are discouraged, but not for
I'm trying to understand, what virtual functions are. I found the
[specs](https://dlang.org/spec/function.html#virtual-functions),
but I can't make head or tail of it.
- What is a `vtbl[]`? Obviously a function pointer table. But
where to find this? The examples don't use it. Maybe something
