Update `syn`, `quote`, and `proc-macro2` to post-1.0 versions

citahub / cita-common

Libraries for CITA (https://github.com/citahub/cita)

Apache License 2.0

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Update `syn`, `quote`, and `proc-macro2` to post-1.0 versions #318

Open Aaron1011 opened 3 years ago

Aaron1011 commented 3 years ago

This crate will currently stop compiling once PR https://github.com/rust-lang/rust/pull/76130 (a bugfix to the Rust compiler) is merged, due to the fact than old version of syn is in use. Newer versions of syn can parse the TokenStream passed by newer versions of rustc, allowing this crate to compile under both older and newer versions of rustc.