deno_bindgen_macro 0.9.0-alpha

Write high-level Deno FFI libraries in Rust.
Documentation 
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use proc_macro2::TokenStream as TokenStream2;
use syn::ItemStruct;

use crate::util::Result;
use crate::util::{self};

pub fn handle(struct_: ItemStruct) -> Result<TokenStream2> {
  if struct_.generics.params.first().is_some() {
    return Err(util::Error::Generics);
  }

  if struct_.generics.where_clause.is_some() {
    return Err(util::Error::WhereClause);
  }

  let ref ty_str @ _ = struct_.ident;
  Ok(quote::quote! {
    #struct_

    impl ::deno_bindgen::BindgenType for #ty_str {
        fn type_name() -> &'static str {
            stringify!(#ty_str)
        }
    }
  })
}