Is it garanteed that ImageBuffer::new() returns a buffer filled with zero()s of the corresponding type ?

[Morgane55440]

i'm working on a feature in imageproc, and for optimization reasons, i would like to rely on the fact that ImageBuffer::new() returns a buffer filled with zero()s.

but the documentation of ImageBuffer::new() only states

Creates a new image buffer based on a Vec<P::Subpixel>.
Panics
Panics when the resulting image is larger than the maximum size of a vector

Therefore, i am looking for confirmation outside of the current implementation that this is an intended feature that will most likely not be changed in the future rather than an implementation detail that could be changed for any and all reasons at any moment.

[HeroicKatora]

Yes, I don't see any reason to change that and it is usually the most efficient initialization routine there is. We can agree on this behavior without evolution issue.

[fintelia]

Agreed. I'd welcome a PR adding this guarantee to the documentation

[Morgane55440]

i have just made such a pull request : #2219