© 2026 Hedgehog Software, LLC
Twitter
GitHub
Discord
System
Light
Dark
More
Communities
Docs
About
Terms
Privacy
Search
Star
Feedback
Setup for Free
The Reason Behind ReadonlyArray/map Returning a Mutable Array - Effect Community
EC
Effect Community
•
3y ago
•
54 replies
WIP
The Reason Behind ReadonlyArray/map Returning a Mutable Array
Is there a reason why ReadonlyArray
/map returns a mutable array or is it a mistake
?
Effect Community
Join
Production-grade applications in TypeScript.
6,221
Members
View on Discord
Resources
ModelContextProtocol
ModelContextProtocol
MCP Server
Recent Announcements
Similar Threads
Was this page helpful?
Yes
No
Similar Threads
Bug with `ReadonlyArray.fromIterable` returning an Array of `undefined`
EC
Effect Community / data
3y ago
Maintaining Case Arrays in `ReadonlyArray` Operators
EC
Effect Community / data
3y ago
`Array.partition` always returns a mutable `Array`, causing issues when integrating with React's ...
EC
Effect Community / data
17mo ago
Questioning the input type of `ReadonlyArray.groupWith`
EC
Effect Community / data
3y ago
Next page
ECEffect Community / dataECEffect Community / dataECEffect Community / dataECEffect Community / data
