From b2be01c81567e89142577f9474a810e3a8676cfc Mon Sep 17 00:00:00 2001
From: binarycat <binarycat@envs.net>
Date: Tue, 24 Jun 2025 17:47:24 -0500
Subject: [PATCH] rustdoc: show attributes on enum variants

mostly for #[non_exhaustive]
---
 src/librustdoc/html/render/print_item.rs        |  1 +
 .../rustdoc/enum/enum-variant-non_exhaustive.rs | 17 +++++++++++++++++
 ...-variant-non_exhaustive.type-alias-code.html |  4 ++++
 .../enum-variant-non_exhaustive.type-code.html  |  4 ++++
 4 files changed, 26 insertions(+)
 create mode 100644 tests/rustdoc/enum/enum-variant-non_exhaustive.rs
 create mode 100644 tests/rustdoc/enum/enum-variant-non_exhaustive.type-alias-code.html
 create mode 100644 tests/rustdoc/enum/enum-variant-non_exhaustive.type-code.html

diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs
index 515424cbef19b..5456a09dce72c 100644
--- a/src/librustdoc/html/render/print_item.rs
+++ b/src/librustdoc/html/render/print_item.rs
@@ -1702,6 +1702,7 @@ fn render_enum_fields(
                 if v.is_stripped() {
                     continue;
                 }
+                write!(w, "{}", render_attributes_in_pre(v, TAB, cx))?;
                 w.write_str(TAB)?;
                 match v.kind {
                     clean::VariantItem(ref var) => match var.kind {
diff --git a/tests/rustdoc/enum/enum-variant-non_exhaustive.rs b/tests/rustdoc/enum/enum-variant-non_exhaustive.rs
new file mode 100644
index 0000000000000..ea0234a49f640
--- /dev/null
+++ b/tests/rustdoc/enum/enum-variant-non_exhaustive.rs
@@ -0,0 +1,17 @@
+// regression test for https://github.com/rust-lang/rust/issues/142599
+
+#![crate_name = "foo"]
+
+//@ snapshot type-code 'foo/enum.Type.html' '//pre[@class="rust item-decl"]/code'
+pub enum Type {
+    #[non_exhaustive]
+    // attribute that should not be shown
+    #[warn(unsafe_code)]
+    Variant,
+}
+
+// we would love to use the `following-sibling::` axis
+// (along with an `h2[@id="aliased-type"]` query),
+// but unfortunately python doesn't implement that.
+//@ snapshot type-alias-code 'foo/type.TypeAlias.html' '//pre[@class="rust item-decl"][2]/code'
+pub type TypeAlias = Type;
diff --git a/tests/rustdoc/enum/enum-variant-non_exhaustive.type-alias-code.html b/tests/rustdoc/enum/enum-variant-non_exhaustive.type-alias-code.html
new file mode 100644
index 0000000000000..04eea709079d7
--- /dev/null
+++ b/tests/rustdoc/enum/enum-variant-non_exhaustive.type-alias-code.html
@@ -0,0 +1,4 @@
+<code>pub enum TypeAlias {
+    #[non_exhaustive]
+    Variant,
+}</code>
\ No newline at end of file
diff --git a/tests/rustdoc/enum/enum-variant-non_exhaustive.type-code.html b/tests/rustdoc/enum/enum-variant-non_exhaustive.type-code.html
new file mode 100644
index 0000000000000..6c8851ea5df47
--- /dev/null
+++ b/tests/rustdoc/enum/enum-variant-non_exhaustive.type-code.html
@@ -0,0 +1,4 @@
+<code>pub enum Type {
+    #[non_exhaustive]
+    Variant,
+}</code>
\ No newline at end of file