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Refactor #[derive(FromRequest)] to make illegal state unrepresentable (#1004)

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This commit is contained in:
David Pedersen
2022-05-06 16:53:12 +02:00
committed by GitHub
parent b5183afbec
commit 6bd726f4a9
2 changed files with 40 additions and 38 deletions
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axum-macros/src/from_request.rs
+8 -12
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@@ -30,18 +30,14 @@ pub(crate) fn expand(item: syn::ItemStruct) -> syn::Result<TokenStream> {
return Err(syn::Error::new_spanned(where_clause, GENERICS_ERROR));
}
let FromRequestContainerAttr {
via,
rejection_derive,
} = parse_container_attrs(&attrs)?;
if let Some((_, path)) = via {
impl_by_extracting_all_at_once(ident, fields, path)
} else {
let rejection_derive_opt_outs = rejection_derive
.map(|(_, opt_outs)| opt_outs)
.unwrap_or_default();
impl_by_extracting_each_field(ident, fields, vis, rejection_derive_opt_outs)
match parse_container_attrs(&attrs)? {
FromRequestContainerAttr::Via(path) => impl_by_extracting_all_at_once(ident, fields, path),
FromRequestContainerAttr::RejectionDerive(opt_outs) => {
impl_by_extracting_each_field(ident, fields, vis, opt_outs)
}
FromRequestContainerAttr::None => {
impl_by_extracting_each_field(ident, fields, vis, RejectionDeriveOptOuts::default())
}
}
}