proc-macro-error-attr2 is used at run time in 1,782 crates (of which 478 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 159 crates (of which 63 optionally, ). It's used only as a dev dependency in 81 crates.
| Depender (with downloads and own rev deps) | proc-macro-error-attr2 version | |||
|---|---|---|---|---|
| 1.1M | 54 | proc-macro-error2 | =2.0.0 | |