diff options
Diffstat (limited to 'src/corelib/doc/snippets/code/src_corelib_time_qdatetime.cpp')
| -rw-r--r-- | src/corelib/doc/snippets/code/src_corelib_time_qdatetime.cpp | 87 |
1 files changed, 30 insertions, 57 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_time_qdatetime.cpp b/src/corelib/doc/snippets/code/src_corelib_time_qdatetime.cpp index a477e91548..588e81bab1 100644 --- a/src/corelib/doc/snippets/code/src_corelib_time_qdatetime.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_time_qdatetime.cpp @@ -1,52 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause //! [0] QDate d1(1995, 5, 17); // May 17, 1995 @@ -118,14 +71,6 @@ QTime::isValid(22, 5, 62); // returns false //! [9] -//! [10] -QTime t; -t.start(); -some_lengthy_task(); -qDebug("Time elapsed: %d ms", t.elapsed()); -//! [10] - - //! [11] QDateTime now = QDateTime::currentDateTime(); QDateTime xmas(QDate(now.date().year(), 12, 25).startOfDay()); @@ -216,3 +161,31 @@ QString string = "Tuesday, 23 April 12 22:51:41"; QString format = "dddd, d MMMM yy hh:mm:ss"; QDateTime valid = QDateTime::fromString(string, format); //! [21] + +//! [22] +// 23 April 2012: +QDate date = std::chrono::year_month_day(std::chrono::year(2012), + std::chrono::month(4), + std::chrono::day(23)); + +// Same, under `using std::chrono` convenience: +QDate dateWithLiterals1 = 23 / April / 2012y; +QDate dateWithLiterals2 = 2012y / April / 23; + +// Last day of February 2000 +QDate lastDayFeb2020 = 2000y / February / last; + +// First Monday of January 2020: +QDate firstMonday = 2020y / January / Monday[0]; + +// Last Monday of January 2020: +QDate lastMonday = 2020y / January / Monday[last]; +//! [22] + +//! [23] +QDateTime local(QDateTime::currentDateTime()); +QDateTime UTC(local.toTimeSpec(QTimeZone::UTC)); +qDebug() << "Local time is:" << local; +qDebug() << "UTC time is:" << UTC; +qDebug() << "No difference between times represented:" << local.secsTo(UTC); +//! [23] |