Stefan Bolton

[JsonUnit](https://github.com/lukas-krecan/JsonUnit) for Java has some good features related to this that may inspire you :) You can use values like ${json-unit.any-number} ${json-unit.any-string} ${json-unit-ignore} regex and so on....

Pretty-much yes. I actually had [this ](https://github.com/tower-rs/tower/blob/master/tower/src/load_shed/layer.rs) layer in-mind - but the rate limit layer could be useful as well.

There's some good/useful info in the readme for the [rayon bridge](https://github.com/GoogleChromeLabs/wasm-bindgen-rayon) - i.e. in this case using a rust-toolchain.toml file in the project dir can work.