[array] Rewrite hash() as dagger

2 years ago · 921f45f46d
parent 213117317c
commit 921f45f46d
1 changed files with 6 additions and 6 deletions
--- a/src/hb-array.hh
+++ b/src/hb-array.hh
@ -112,12 +112,12 @@ struct hb_array_t : hb_iter_with_fallback_t<hb_array_t<Type>, Type&>

  HB_INTERNAL bool operator == (const hb_array_t &o) const;

-  uint32_t hash () const {
-    uint32_t current = 0;
-    for (unsigned int i = 0; i < this->length; i++) {
-      current = current * 31 + hb_hash (this->arrayZ[i]);
-    }
-    return current;
+  uint32_t hash () const
+  {
+    return
+    + hb_iter (*this)
+    | hb_reduce ([] (uint32_t h, const Type &_) { return h * 31 + hb_hash (_); }, (uint32_t) 0u)
+    ;
  }

  /*