From 81ccf37d3b8a5ffdf5c2d537761eeb06ae29dd7e Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Sat, 19 Dec 2020 02:43:00 +0100
Subject: Remove `Attrs::merge`

Only the `RawAttrs` version of this is in use
---
 crates/hir_def/src/attr.rs | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/crates/hir_def/src/attr.rs b/crates/hir_def/src/attr.rs
index d1ed23947..aacfeef28 100644
--- a/crates/hir_def/src/attr.rs
+++ b/crates/hir_def/src/attr.rs
@@ -241,18 +241,6 @@ impl Attrs {
         raw_attrs.filter(db, def.krate(db))
     }
 
-    pub fn merge(&self, other: Attrs) -> Attrs {
-        match (&self.0.entries, &other.0.entries) {
-            (None, None) => Attrs::EMPTY,
-            (Some(entries), None) | (None, Some(entries)) => {
-                Attrs(RawAttrs { entries: Some(entries.clone()) })
-            }
-            (Some(a), Some(b)) => {
-                Attrs(RawAttrs { entries: Some(a.iter().chain(b.iter()).cloned().collect()) })
-            }
-        }
-    }
-
     pub fn by_key(&self, key: &'static str) -> AttrQuery<'_> {
         AttrQuery { attrs: self, key }
     }
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