0.5.20

• Documentation improvements

0.4.3

• Fix compile error on nightlies beginning with 2021-03-19

0.5.19

• Add #[proc_macro_hack(only_hack_old_rustc)] attribute to switch to a native #[proc_macro] on sufficiently new compilers (#66)

0.5.18

• Update documentation: as of Rust 1.45 proc-macro-hack is superseded by native support for #[proc_macro] in expression position. Only continue using this crate if you care about supporting compilers between 1.31 and 1.45. https://blog.rust-lang.org/2020/07/16/Rust-1.45.0.html#stabilizing-function-like-procedural-macros-in-expressions-patterns-and-statements

0.5.17

(yanked)

0.5.16

• Handle macros whose definition contains interpolated macro_rules variables, such as:

  #[proc_macro_hack]
  pub fn $name(input: TokenStream) -> TokenStream {...}

0.5.15

• Eliminate some possible dead_code warnings in generated code

0.5.14

• Improve compile time by cutting out some dependencies

0.5.13

yanked

0.5.12

• Better error message when exceeding the limit of nested macro invocations (rust-lang/futures-rs#2097)