© 2026 Hedgehog Software, LLC
Twitter
GitHub
Discord
System
Light
Dark
More
Communities
Docs
About
Terms
Privacy
Search
Star
Feedback
Setup for Free
Difference Between `Effect.fn` and `Effect.fnUntraced` - Effect Community
EC
Effect Community
•
9mo ago
marbemac
Difference Between `Effect.fn` and `Effect.fnUntraced`
what is the difference between
Effect.fn(function* () {})
Effect.fn(function* () {})
and
Effect.fnUntraced(function* () {})
Effect.fnUntraced(function* () {})
- when should we use one vs the other
?
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
Difference Between effect.fn, effect.gen, and effect.fnUntraced
EC
Effect Community / 🚀-beginners
6mo ago
Confusion Between `Effect.fn`, `Effect.fnUntraced`, and `Effect.fn("SpanName")`
EC
Effect Community / 🚀-beginners
5mo ago
Difference Between `Effect.gen` and `Effect.fn` Usage
EC
Effect Community / 🚀-beginners
6mo ago
Difference between `Effect.fn()` without arguments and `Effect.gen()`
EC
Effect Community / 🚀-beginners
9mo ago