auto_enums_derive 0.6.4

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 crate::utils::*;

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

pub(crate) fn derive(data: &Data, items: &mut Vec<ItemImpl>) -> Result<()> {
    derive_trait!(
        data,
        parse_quote!(::core::iter::Extend)?,
        parse_quote! {
            trait Extend<__A> {
                #[inline]
                fn extend<__T: ::core::iter::IntoIterator<Item = __A>>(&mut self, iter: __T);
            }
        }?,
    )
    .map(|item| items.push(item))
}