In most cases, it’s as simple as making sure that types, interfaces, classes, methods and functions that should not be used outside of the module have internal or private access scope. The compiler (or interpreter) will make sure that users won’t break encapsulation. Alternatively, for small and medium modules, you can prepare a facade object that will be used as an entrypoint to the module.
More recently, the xz utility was compromised by a malicious developer, almost leading to malware infecting Linux.
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伊朗革命的奠基者，包括阿亞圖拉·魯霍拉·霍梅尼（Ayatollah Ruhollah Khomeini）等在近50年前設計這套體制，就是要能在戰爭與暗殺下存活。這不是一個人統治的政權。阿薩德家族統治的敘利亞、卡扎菲家族掌控的利比亞，當家族被移除後政權便崩潰。但伊朗建立的是一個政治和宗教機構交織的國家體系，彼此職責重疊，具備抵禦危機的結構。，更多细节参见体育直播
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