Use const_cast to avoid duplicating the implementation of raw_hash_set::find(key).

ezbr · copybara-github · commit c28f689cd0c0 · 2024-02-20T14:35:37.000-08:00
Motivation: the implementation becomes more complicated with small object optimization.
PiperOrigin-RevId: 608742838
Change-Id: I55fc42321b1967f9c7bbee49817a2f2d4ee44b56
diff --git a/absl/container/internal/raw_hash_set.h b/absl/container/internal/raw_hash_set.h
@@ -2849,8 +2849,7 @@ class raw_hash_set {
   template <class K = key_type>
   const_iterator find(const key_arg<K>& key) const
       ABSL_ATTRIBUTE_LIFETIME_BOUND {
-    prefetch_heap_block();
-    return find(key, hash_ref()(key));
+    return const_cast<raw_hash_set*>(this)->find(key);
   }
 
   template <class K = key_type>

Original file line number	Diff line number	Diff line change
`@@ -2849,8 +2849,7 @@ class raw_hash_set {`
`2849`	`2849`	`template <class K = key_type>`
`2850`	`2850`	`const_iterator find(const key_arg<K>& key) const`
`2851`	`2851`	`ABSL_ATTRIBUTE_LIFETIME_BOUND {`
`2852`		`- prefetch_heap_block();`
`2853`		`- return find(key, hash_ref()(key));`
	`2852`	`+ return const_cast<raw_hash_set*>(this)->find(key);`
`2854`	`2853`	`}`
`2855`	`2854`
`2856`	`2855`	`template <class K = key_type>`