There's support for contracts for many popular languages, just not built-in into languages' core. https://en.wikipedia.org/wiki/Design_by_contract#Languages_wi

There's support for contracts for many popular languages, just not built-in into languages' core. https://en.wikipedia.org/wiki/Design_by_contract#Languages_with_third-party_support https://en.wikipedia.org/wiki/Design_by_contract#Languages_w...