8 replies

Finding an Entry in a HashMap by Person's Name

Hi everyone

If I have:

interface Person {
  name: string
  ... // other fields
}

const map = HashMap<Person, ...>

interface Person {
  name: string
  ... // other fields
}

const map = HashMap<Person, ...>

and I want to find the entry where

Person.name == "Jules"

Person.name == "Jules"

How do I do that?

In Scala, I'd write:

map.find { case (k, v) => k.name == "Jules" }

map.find { case (k, v) => k.name == "Jules" }

which would give me an

Option<[K, V]>

Option<[K, V]>

Written with the TS syntax, that'd be

HashMap.find(map, ([k, v]) => k.name == "Jules")

HashMap.find(map, ([k, v]) => k.name == "Jules")

I don't find the equivalent in HashMap