proc-macro-error-attr2 is used at run time in 2,790 crates (of which 672 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 167 crates (of which 71 optionally, ). It's used only as a dev dependency in 138 crates.
| Depender (with downloads and own rev deps) | proc-macro-error-attr2 version | |||
|---|---|---|---|---|
| 3.3M | 93 | proc-macro-error2 | =2.0.0 | |