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refactor (macro-rs): simplify error_variants_impl

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naskya 2024-07-21 23:27:08 +09:00
parent 68df12cbe0
commit caab676984
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1 changed files with 4 additions and 4 deletions
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8
packages/macro-rs/macros-impl/src/error.rs
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@ -9,10 +9,9 @@ pub fn error_variants(_attr: TokenStream, item: TokenStream) -> TokenStream {
}
fn error_variants_impl(item: TokenStream) -> syn::Result<TokenStream> {
let items: syn::ItemEnum = syn::parse2(item.clone())?;
let mut new_item = items.clone();
let mut item: syn::ItemEnum = syn::parse2(item)?;
new_item.variants = items
item.variants = item
.variants
.into_iter()
.map(|mut variant| {
@ -29,6 +28,7 @@ fn error_variants_impl(item: TokenStream) -> syn::Result<TokenStream> {
Some(lit.value())
});
// add #[doc] attribute
if let Some(msg) = msg {
variant.attrs.push(syn::parse_quote! { #[doc = #msg] });
}
@ -37,5 +37,5 @@ fn error_variants_impl(item: TokenStream) -> syn::Result<TokenStream> {
})
.collect();
Ok(quote! { #new_item })
Ok(quote! { #item })
}