From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- mfbt/Literals.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 mfbt/Literals.h (limited to 'mfbt/Literals.h') diff --git a/mfbt/Literals.h b/mfbt/Literals.h new file mode 100644 index 0000000000..d1d403afae --- /dev/null +++ b/mfbt/Literals.h @@ -0,0 +1,39 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* Helpers for units on integer literals. */ + +#ifndef mozilla_Literals_h +#define mozilla_Literals_h + +#include + +// User-defined literals to make constants more legible. Use them by +// appending them to literals such as: +// +// size_t page_size = 4_KiB; +// +constexpr size_t operator"" _KiB(unsigned long long int aNum) { + return size_t(aNum) * 1024; +} + +constexpr size_t operator"" _KiB(long double aNum) { + return size_t(aNum * 1024); +} + +constexpr size_t operator"" _MiB(unsigned long long int aNum) { + return size_t(aNum) * 1024_KiB; +} + +constexpr size_t operator"" _MiB(long double aNum) { + return size_t(aNum * 1024_KiB); +} + +constexpr double operator""_percent(long double aPercent) { + return double(aPercent) / 100; +} + +#endif /* ! mozilla_Literals_h */ -- cgit v1.2.3