[gpm]

> experimental hash table

When discussing whether or not to use this at least someone mentioned that there company was using it in production. I don't think it really counts as experimental.

[burntsushi]

"experimental" is descriptive, not prescriptive:

> Experimental hash table implementation in just Rust (stable, no unsafe code).

https://github.com/bluss/ordermap

[igouy]

That is how the author of ordermap currently describes ordermap at the top of the GitHub README.rst