Introduce Any?.hashCode() extension #KT-25039

2018-09-05 21:40:36 +03:00
parent 3431123cab
commit 48fd8a63ee
2 changed files with 45 additions and 0 deletions
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package kotlin
+
+import kotlin.internal.InlineOnly
+
+
+/**
+ * Returns a hash code value for the object or zero if the object is `null`.
+ *
+ * @see Any.hashCode
+ */
+@SinceKotlin("1.3")
+@InlineOnly
+public inline fun Any?.hashCode(): Int = this?.hashCode() ?: 0