Qualified class opEquals()

[Paul Backus]

On Monday, 24 December 2018 at 22:58:03 UTC, Per Nordlöw wrote:
> Is it in the following code possible to make the statement
>
>     assert(car1 == car2);
>
> in the function testEqual() compile in a `@safe pure nothrow 
> @nogc context`?

No, because equality comparison between classes lowers to 
`object.opEquals` [1], which takes both parameters as `Object`.

If you call car1.opEquals(car2) directly, it should work.

[1] 
https://github.com/dlang/druntime/blob/master/src/object.d#L1051