> To perform well for idiomatic code you may need to know about idiom. To enforce idioms you include them in the language. This makes the language easier but l

> To perform well for idiomatic code you may need to know about idiom. To enforce idioms you include them in the language. This makes the language easier but less simple. It also means people will use exactly one idiom instead of lots of variants. This improves performance and makes it more predictable. To perform well for idiomatic code you must know about idiom and have consensus about it and teach it to everybody.