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authorbors <bors@rust-lang.org>2020-12-29 10:41:01 +0000
committerbors <bors@rust-lang.org>2020-12-29 10:41:01 +0000
commit158f8d034b15e65ba8dc0d066358dd0632bfcd6e (patch)
treeff4da49406acf0d16cc087eb51821586dc6d240d /src/librustdoc/json/conversions.rs
parente2a2592885539ca97bfb1232669e7519a0c0703b (diff)
parent5fce0dd787f319d229ecbd679781655549a418f2 (diff)
downloadrust-158f8d034b15e65ba8dc0d066358dd0632bfcd6e.tar.gz
rust-158f8d034b15e65ba8dc0d066358dd0632bfcd6e.zip
Auto merge of #80014 - jyn514:box-item-kind, r=nnethercote
[rustdoc] Box ItemKind to reduce the size of `Item`

This brings the size of `Item` from

```
[src/librustdoc/lib.rs:103] std::mem::size_of::<Item>() = 536
```

to

```
[src/librustdoc/lib.rs:103] std::mem::size_of::<Item>() = 136
```

This is an alternative to https://github.com/rust-lang/rust/pull/79967; I don't think it makes sense to make both changes.

Helps with #79103.
Diffstat (limited to 'src/librustdoc/json/conversions.rs')
-rw-r--r--src/librustdoc/json/conversions.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs
index 3b7ac624ccd..e347f7f8411 100644
--- a/src/librustdoc/json/conversions.rs
+++ b/src/librustdoc/json/conversions.rs
@@ -19,9 +19,9 @@ impl JsonRenderer<'_> {
         let item_type = ItemType::from(&item);
         let deprecation = item.deprecation(self.tcx);
         let clean::Item { source, name, attrs, kind, visibility, def_id } = item;
-        match kind {
+        match *kind {
             clean::StrippedItem(_) => None,
-            _ => Some(Item {
+            kind => Some(Item {
                 id: def_id.into(),
                 crate_id: def_id.krate.as_u32(),
                 name: name.map(|sym| sym.to_string()),