https://www.typescriptlang.org/docs/handbook/release-notes/typescript-2-6.html >... | Hacker News

Hacker News new | past | comments | ask | show | jobs | submit

login

ItsMe000001 on April 20, 2018 | parent | context | favorite | on: Towards Scala 3

https://www.typescriptlang.org/docs/handbook/release-notes/t...

> TypeScript 2.6 introduces a new strict checking flag, --strictFunctionTypes.

> The --strictFunctionTypes switch is part of the --strict family of switches, meaning that it defaults to on in --strict mode.

> Under --strictFunctionTypes function type parameter positions are checked contravariantly instead of bivariantly.

> ...(etc.)

naasking on April 20, 2018 [–]

Contravariance then, right. Thanks! I haven't gotten into Typescript yet, and at this point it looks fairly large and a little daunting, so this is helpful.

tomerbd on April 21, 2018 | [–]

And this project is super interesting: https://1c.wizawu.com/#/whatis Use TypeScript on JVM with both NPM and Maven dependencies

Consider applying for YC's Spring batch! Applications are open till Feb 11.
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact