Hi Paddy,

On Fri, 10 Jan 2020 at 04:13, paddy horan <[email protected]> wrote:

> Hi All,
>
> This time last year there was a brief discussion on the usage of unsafe in
> Rust (a user on github raised the issue and I created the JIRA). [1]
>
> So far we mostly avoid unsafe in the public API's.  The thinking here is
> that Arrow is a "development platform", i.e. lower level that most
> libraries, and library builders will want to avoid any performance hit of
> bounds checking, etc.
>
> This is not typical in the Rust community where unsafe is a clear signal
> that care is needed.  Although it might clutter the API a little more I
> would be in favor of having safe and unsafe variants of methods as needed.
> For instance, "value" for array access would be changed to "value" and
> "value_unchecked" where the latter is unsafe and does not perform bounds
> checks.
>
> We don't have a huge number of libraries building on top of Arrow in Rust
> at the moment so it seems like a good time, before 1.0, to decide on this
> to avoid breaking changes to the public API in post 1.0.
>
> Thoughts?
>
> Paddy
>
> [1] https://issues.apache.org/jira/browse/ARROW-3776?filter=12343557
>
>

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