EC

Effect Community•2y ago•

15 replies

Aldwin

Choosing the Right Data Structure for Numeric Keys in JavaScript

What data structure do I use if I "just" want a Record with numeric (integer) keys?

I tried a sparse Array but it's a headache (Array length is not updated accordingly when using

Array.replace

Array.replace

and friends), I tried native

Map

Map

but there don't seem to be immutable utilities for it in Effect, I tried

HashMap

HashMap

but what's all that stuff about hashes? (makes me feel it's not the right tool) I could cast my numbers to String and use a plain

Record

Record

, but then I need to parse them back to numbers in another part of the code (information is lost). Is there anything out there for me?