swc/crates/better_scoped_tls/README.md

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# better_scoped_tls
This crate provides an opinionated version of [scoped-tls](https://docs.rs/scoped-tls/1.0.0/scoped_tls/index.html).
Scoped thread local variables created by this crate will panic with a good message on usage without `.set`, like
```
You should perform this operation in the closure passed to `set` of better_scoped_tls::tests::TESTTLS
```
Syntax is exactly same to the original scoped-tls.