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#927 in Development tools

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2,066 downloads per month
Used in 50 crates (5 directly)

MIT license

88KB
2K SLoC

Module :: proc_macro_tools

experimental rust-status docs.rs Open in Gitpod discord

Tools for writing procedural macros.

Basic use-case

#[ cfg( feature = "enabled" ) ]
{
  use macro_tools::exposed::*;

  let code = qt!( core::option::Option< i8, i16, i32, i64 > );
  let tree_type = syn::parse2::< syn::Type >( code ).unwrap();
  let got = typ::type_parameters( &tree_type, 0..=2 );
  got.iter().for_each( | e | println!( "{}", qt!( #e ) ) );
  /* print :
    i8
    i16
    i32
  */
}

To add to your project

cargo add proc_macro_tools

Try out from the repository

git clone https://github.com/Wandalen/wTools
cd wTools
cd examples/macro_tools_trivial
cargo run

Dependencies

~345–800KB
~19K SLoC