On Saturday, 10 December 2016 at 08:23:06 UTC, Ali Çehreli wrote:
On 12/10/2016 12:16 AM, Is it possible to store different generic types? wrote:

> Okay the issue seem to be that D casts the left-hand argument
to the
> same type as the right-hand argument.

Seems to be but not true. It's more like "anything that touches an unsigned type turns unsigned". :)

  https://dlang.org/spec/type.html#integer-promotions

The more important topic there is the second one: "Usual Arithmetic Conversions"

Ali

Thanks for that, at least I can see why.

3 If the signed type is larger than the unsigned type, the unsigned type is converted to the signed type.

4 The signed type is converted to the unsigned type.

It's obvious from the documentation that it's intended behavior as it obviously won't fall into the third category as ptrdiff_t and size_t are the same bit-size. Thus category 4 happens.
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