V2EX exit condition

Exit Condition

释义 Definition

exit condition(退出条件/终止条件):在程序、算法或流程中,用来判断何时停止循环、递归或某个过程的条件(满足该条件就退出)。常见于 while/for 循环、递归函数、状态机与控制流程描述中。(也常说 termination condition

发音 Pronunciation (IPA)

/zt kndn/

词源 Etymology

exit 源自拉丁语 exire(“出去、离开”,ex- “向外” + ire “走”);condition 源自拉丁语 condicio/conditio(“约定、条件”)。合起来就是“用于离开/退出的条件”,在计算机语境中引申为“终止执行的判断标准”。

例句 Examples

When the user types “q”, that’s the exit condition.
当用户输入“q”时,这就是退出条件。

Without a clear exit condition, the loop may run forever and consume all available resources.
如果没有明确的退出条件,循环可能会无限运行并耗尽所有可用资源。

相关词 Related Words

文学/著作中的用例 Literary & Notable Works

  • The C Programming Language(Kernighan & Ritchie):在循环与程序控制结构讨论中涉及“何时终止/退出”的条件概念。
  • Introduction to Algorithms(Cormen, Leiserson, Rivest, Stein):在算法正确性与终止性讨论中常用“termination/exit condition”表述。
  • Clean Code(Robert C. Martin):在讲述可读的控制流与避免无限循环时,会强调清晰的退出/终止条件。
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