facebook / facebook/pyrefly

Infer type based on all usages, rather than first use

Open
#382 5 comments 0 reactions 0 assignees View on GitHub
needs-discussion question typechecking
Dominant language
Rust
Stars
7k
Forks
516
PR merge metrics
No merged PRs in 30d

Description

### Describe the Bug

When authoring code, I find myself extremely annoyed that pyrefly cannot understand what I mean in cases like the linked sandbox

### Sandbox Link

https://pyrefly.org/sandbox/?code=MYGwhgzhAEBCkFMBcAoa7oAdIRS0O0AwgBYCWIAJgIwAU8ECAlKhljngVMeVQEz1ELNBmxRO4bqQqUAzIMbC2Y3CjAAnddAC80ANrSqdJgBoeMgUwC6azQDowmTAgB2lWobm0mTIA

### (Only applicable for extension issues) IDE Information

_No response_

Contributor guide

Open the contributing guide

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.