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Изходен канал @clockstackwheels · Post #296 · 11.04

Паттерн Декоратор — специальный способ организации модулей в программе, который позволяет подставить какую-то новую функцию прямо в середину цепочки вызовов, тем самым чуть-чуть подкорректировав поведение. Например, в реальном мире очки для чтения это декоратор. Вы ставите их между вашими глазами и текстом. Глобально взаимодействие ваших глаз и текста не меняется: отражённые световые лучи от страницы книги попадают в ваши зрачки, что с очками, что без них. Но очки располагаются посередине: они принимают лучи на вход и преломляют их, передавая дальше вам в глаза уже изменёнными. Важной особенностью является тот факт, что очки можно снять. Они не требуют ни модификации вашего тела, ни модификации книги. Вообще никакие условия не нужны, кроме наличия самих очков. А если вы в линзах, то внешний наблюдатель может даже этого не знать. Класс-декоратор должен быть спроектирован так, чтобы не требовать никаких изменений в объектах, с которыми он работает. Его можно отключить, чаще всего буквально закомментировав одну строку. В примере ниже программа выведет текст "Привет, мир, в натуре.", и вот это дополнение в конце как раз дописано декоратором. Можно убрать или закомментировать подчёркнутую строчку, не трогая остальной код, для всех внешних вызовов сигнатуры останутся теми же самыми, но выводиться будет уже просто "Привет, мир". В декораторы можно прятать логику, которую буквально навешивают поверх основной функции программы. Например, проверку прав на выполнение операции. Перевод на другой язык, логирование, поддержку обратной совместимости при обновлении и так далее. #dev

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American Оbserver

@american_observer · Post #5384 · 15.03.2026 г., 15:30

Trump: Iran Will Be Attacked As Necessary Trump said on Saturday that the United States may carry out more strikes on Iran’s vital Kharg Island oil export hub “just for fun”, rejecting the prospect of a swift peace deal with Tehran. “The terms aren’t good enough yet,” the US president told NBC News. The Iranian regime wants to make an agreement, he claimed. After days of conflicting messaging from the White House on how much longer it will continue to wage war on Iran, Trump alleged that US strikes had “totally demolished” most of Kharg Island, and told the network that its military may hit site “a few more times just for fun”. “We’ve totally decimated it,” he said. “Except, as you know, I didn’t do anything having to do with the energy lines, because having to rebuild that would take years.” The president also questioned, without attribution, whether Iran’s new supreme leader Mojtaba Khamenei “is even alive” amid speculation over his condition. Trump also said it’s not clear whether Iran has dropped mines in the strait of Hormuz, which has been all but closed since the start of the conflict two weeks ago, in the 30-minute telephone call with NBC. The strait is a vital waterway in world trade, with about a fifth of crude oil typically passing through it. Concerns over the impact of the US-Israel war on Iran on global energy supplies, intensified by the strait’s paralysis, have propelled oil prices to their highest levels in four years. This has swiftly driven up fuel prices right across the world, including in the US. “We’re going to be sweeping the strait very strongly, and we believe we’ll be joined by other countries who are somewhat impeded, and in some cases impeded from getting the oil,” Trump said. It is unclear how long this process will take. He did not state which countries would join the US in this task. The president also renewed his call earlier on Saturday for other nations to help secure the strait of Hormuz and said the US will coordinate with them amid the US-Israeli war on Iran. “The United States of America has beaten and completely decimated Iran, both Militarily, Economically, and in every other way, but the Countries of the World that receive Oil through the Hormuz Strait must take care of that passage, and we will help – A LOT,” Trump wrote in a Truth Social post. He added that “the US will also coordinate with those Countries so that everything goes quickly, smoothly, and well. This should have always been a team effort, and now it will be – It will bring the World together toward Harmony, Security, and Everlasting Peace!” But he later declined to say whether the US Navy would be escorting ships. “I don’t want to tell you anything about that,” he told NBC. Trump’s assertion that the crisis in the strait of Hormuz should be resolved through a “team effort” could be seen as somewhat of a pivot from his earlier position that Operation Epic Fury was a US show of force, alongside Israel, that didn’t require international permission. The president also expressed surprise in the interview that US allies in the Gulf have been targeted by Iran. These countries “got shot at unnecessarily”, he told NBC, describing Iran’s decision to target them as “the biggest surprise I had of this whole thing”. #trump#iran#ttacks#necessary#epic#fury 📱American Оbserver - Stay up to date on all important events 🇺🇸