Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/src/reflect/arena.go b/src/reflect/arena.go
new file mode 100644
index 0000000..cac1a1d
--- /dev/null
+++ b/src/reflect/arena.go
@@ -0,0 +1,18 @@
+// Copyright 2022 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build goexperiment.arenas
+
+package reflect
+
+import "arena"
+
+// ArenaNew returns a Value representing a pointer to a new zero value for the
+// specified type, allocating storage for it in the provided arena. That is,
+// the returned Value's Type is PointerTo(typ).
+func ArenaNew(a *arena.Arena, typ Type) Value {
+	return ValueOf(arena_New(a, PointerTo(typ)))
+}
+
+func arena_New(a *arena.Arena, typ any) any