Rust translation

How is the last bit calculated? It's not mentioned anywhere.

• tests assertions aren't showing up in the random tests (dunno why... 'didn't dig that much into your code. Tho, the tests are done)
• you need an example with an odd parity in the description too

Using different data types is a bad practice.

It is not explained what parity is used for.

Result is not 110110110, it's "110110110". And returning inconsistent datatypes is not a good idea, so for [] it should be some string, probably "".

Are there even tests with ["","",""]?