On 04/27/2012 03:15 PM, Niko Matsakis wrote:
Hi,
This is a post I recently put on my blog. I thought I'd post it to the
mailing list as it pertains to our recent discussion on the syntax of
vectors, slices, and so forth. I feel like I'm harping on this issue so
I think it's the last thing I will write about it for a while. =)
I like the idea of eliminating [T]/@ in favor of @[T]; it simplifies the
user-facing syntax and semantics a lot.
On the other hand, I agree with Marijn that []T doesn't look as nice as
[T] (although Go is popularizing the former). [:]T is also
strange-looking. There's also the issue that users might use &[]T, which
is almost never useful, instead of the more-useful [:]T. I'd honestly be
ok with going back to vec<T> or vec<mut T> for the vector type and using
[T] for the slice, to discourage this hazard.
Patrick
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