one issue is it’s not a type alias but a type encapsulation. This have a cost at... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

barmic12 4 months ago | parent | context | favorite | on: Parse, Don't Validate (2019)

one issue is it’s not a type alias but a type encapsulation. This have a cost at runtime, it’s not like in some functionnals languages a non cost abstraction.

vips7L 4 months ago | [–]

Correctness is more important than runtime costs.

LelouBil 4 months ago | [–]

In languages like kotlin and rust you can have a type encapsulation like this that does not exist at runtime

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact