I have a custom proc-macro crate called my_custom_plugin_attr which is used by my client crate my-client. my_custom_plugin_attr generates some TokenStreams which use types defined in third-party-crate. As a result, my client crate should add dependency third-party-crate besides my_custom_plugin_att…

You can re-export the third part crate from your main crate and access it via that re-export.

The main crate doesn't actually use third-party-crate , it only generates TokenStreams which use third-party-crate. The generated TokenStreams are in my-client-crate when using #[my_custom_plugin_attr]. Re-export cannot solve the question: Since main crate doesn't use third-party-crate, if you br…

You can have the main crate re-export third-party-crate and the proc macros from my_custom_plugin_attr. Then in the proc macro you can refer to main_crate::third_party_crate whenever you need third-part-crate. The user would then only depend on the main crate and access the proc macros through it.

I think this answer is what you mean. [image] Proc macros - using third party crate help The Rust solution to this, more general than just to procedural macros, are public dependencies through public reexports: //! Your `lib.rs` // 2018 edition pub use ::itertools; // o…

How to propagate dependencies of a proc-crate to user crate

help

eadren June 6, 2023, 8:50am 5

I think this answer is what you mean.

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How to propagate dependencies of a proc-crate to user crate

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