proc-macro-error-attr2 is used at run time in 2,674 crates (of which 633 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 168 crates (of which 71 optionally, ). It's used only as a dev dependency in 131 crates.
| Depender (with downloads and own rev deps) | proc-macro-error-attr2 version | |||
|---|---|---|---|---|
| 3.2M | 85 | proc-macro-error2 | =2.0.0 | |