auto_enums_derive 0.3.8

This library provides an attribute macro like a wrapper of `#[derive]`, implementing the supported traits and passing unsupported traits to `#[derive]`.
Documentation 
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use proc_macro2::TokenStream;
use quote::quote;

use crate::utils::*;

pub(crate) const NAME: &[&str] = &["futures::AsyncWrite"];

pub(crate) fn derive(data: &Data) -> Result<TokenStream> {
    let root = std_root();
    let io = quote!(::futures::io);

    derive_trait!(
        data,
        parse_quote!(#io::AsyncWrite)?,
        parse_quote! {
            trait AsyncWrite {
                #[inline]
                fn poll_write(&mut self, lw: &#root::task::LocalWaker, buf: &[u8]) -> #root::task::Poll<#root::result::Result<usize, #io::Error>>;
                #[inline]
                fn poll_vectored_write(&mut self, lw: &#root::task::LocalWaker, vec: &[&#io::IoVec]) -> #root::task::Poll<#root::result::Result<usize, #io::Error>>;
                #[inline]
                fn poll_flush(&mut self, lw: &#root::task::LocalWaker) -> #root::task::Poll<#root::result::Result<(), #io::Error>>;
                #[inline]
                fn poll_close(&mut self, lw: &#root::task::LocalWaker) -> #root::task::Poll<#root::result::Result<(), #io::Error>>;
            }
        }?,
    )
}