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Merge pull request 2879 from rcrisanti/fix/silence-deprecation-warnings-derive

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David Tolnay
2025-09-15 20:26:40 -07:00
parent 69072f2423 ae38b27aee
commit 373b11dda7
9 changed files with 164 additions and 0 deletions
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serde_derive/src/de.rs
+5
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@@ -1,5 +1,6 @@
use crate::fragment::{Expr, Fragment, Match, Stmts};
use crate::internals::ast::{Container, Data, Field, Style, Variant};
use crate::internals::deprecated::allow_deprecated;
use crate::internals::name::Name;
use crate::internals::{attr, replace_receiver, ungroup, Ctxt, Derive};
use crate::{bound, dummy, pretend, private, this};
@@ -22,6 +23,8 @@ pub fn expand_derive_deserialize(input: &mut syn::DeriveInput) -> syn::Result<To
precondition(&ctxt, &cont);
ctxt.check()?;
let allow_deprecated = allow_deprecated(input)?;
let ident = &cont.ident;
let params = Parameters::new(&cont);
let (de_impl_generics, _, ty_generics, where_clause) = split_with_de_lifetime(&params);
@@ -33,6 +36,7 @@ pub fn expand_derive_deserialize(input: &mut syn::DeriveInput) -> syn::Result<To
let used = pretend::pretend_used(&cont, params.is_packed);
quote! {
#[automatically_derived]
#allow_deprecated
impl #de_impl_generics #ident #ty_generics #where_clause {
#vis fn deserialize<__D>(__deserializer: __D) -> _serde::#private::Result<#remote #ty_generics, __D::Error>
where
@@ -48,6 +52,7 @@ pub fn expand_derive_deserialize(input: &mut syn::DeriveInput) -> syn::Result<To
quote! {
#[automatically_derived]
#allow_deprecated
impl #de_impl_generics _serde::Deserialize<#delife> for #ident #ty_generics #where_clause {
fn deserialize<__D>(__deserializer: __D) -> _serde::#private::Result<Self, __D::Error>
where