add literals for sizes in Ki, Mi, Gi, Ti

1 files changed, 21 insertions, 0 deletions

diff --git a/vespalib/src/vespa/vespalib/util/size_literals.h b/vespalib/src/vespa/vespalib/util/size_literals.h
new file mode 100644
index 00000000000..f11893342e5
--- /dev/null
+++ b/vespalib/src/vespa/vespalib/util/size_literals.h
@@ -0,0 +1,21 @@
+// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+#pragma once
+
+#include <cstddef>
+
+constexpr size_t operator "" _Ki(unsigned long long k_in) {
+	return size_t(k_in << 10u);
+}
+
+constexpr size_t operator "" _Mi(unsigned long long m_in) {
+	return size_t(m_in << 20u);
+}
+
+constexpr size_t operator "" _Gi(unsigned long long g_in) {
+	return size_t(g_in << 30u);
+}
+
+constexpr size_t operator "" _Ti(unsigned long long t_in) {
+	return size_t(t_in << 40u);
+}