Hacker News Reader

Comment by debaserab2 | Hacker News Reader

I know you're entirely right, but sometimes when I see things like this in Typescript...

https://github.com/sindresorhus/type-fest/blob/main/source/r...

I can walk through it with enough pause, but it kinda makes my head implode when I glance at it.

  { [Key in KeysType]-?: ... }

TIL that you can disable ? and readonly in mapped types using -. So in the above code, every Key will be mandatory (-?) even if the original one in KeysType was optional.

source: https://www.typescriptlang.org/docs/handbook/2/mapped-types....

Yea it’s like reading Shakespeare… I can read the words and know what most of them mean… but damn if it doesn’t take serious energy to actually parse out the meaning sometimes.

I guess in a way, the issue is that it is cloaked with familiarity. Your brain gets so used to understanding sentences on first go it’s not used to not understanding it.

However, if it was a chemistry equation and you weren’t familiar with chemistry it would immediately understand that comprehension would take time and thus the mind implosion due to a lack of understanding doesn’t occur.

Reply on news.ycombinator.com