Allow legacy custom derive authors to disable warnings in downstream crates This PR allows legacy custom derive authors to use a pre-deprecated method `registry.register_custom_derive()` instead of `registry.register_syntax_extension()` to avoid downstream deprecation warnings. r? @nrc |
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| .. | ||
| deriving | ||
| asm.rs | ||
| Cargo.toml | ||
| cfg.rs | ||
| concat.rs | ||
| concat_idents.rs | ||
| env.rs | ||
| format.rs | ||
| format_foreign.rs | ||
| lib.rs | ||
| log_syntax.rs | ||
| proc_macro_registrar.rs | ||
| trace_macros.rs | ||