proc-macro-error-attr2 is used at run time in 1,922 crates (of which 516 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 167 crates (of which 68 optionally, ). It's used only as a dev dependency in 89 crates.
| Depender (with downloads and own rev deps) | proc-macro-error-attr2 version | |||
|---|---|---|---|---|
| 1.0M | 63 | proc-macro-error2 | =2.0.0 | |