Towards the bottom of the article there is a example of MAD[0] that uses something similar, and there is also the John McCarthy proposal which also uses otherwi

Towards the bottom of the article there is a example of MAD[0] that uses something similar, and there is also the John McCarthy proposal which also uses otherwise. I could imagine it being used in a language that had a tight connection to maths as otherwise is often used there. [0]: https://en.wikipedia.org/wiki/MAD_(programming_language) https://en.wikipedia.org/wiki/MAD_(programming_language)