V2EX curly bracket

Curly Bracket

定义 Definition

“Curly bracket” 指 花括号,即符号 **{ }**。常用于数学中表示集合、分组或分段函数,也常用于编程语言中标记代码块(如函数体、条件语句块等)。在一些语境里也可称为 curly brace

发音 Pronunciation (IPA)

/kli brkt/

例句 Examples

Please put the set elements inside curly brackets: {1, 2, 3}.
请把集合元素写在花括号里:{1, 2, 3}。

In many languages, the curly bracket defines the scope of an if statement, so forgetting it can change the program’s logic.
在许多编程语言中,花括号用来界定 if 语句的作用域,因此漏写它可能会改变程序逻辑。

词源 Etymology

“Curly” 原意是“卷曲的、弯曲的”,用来形容 { } 的外形像弯曲的线条;“bracket” 来自法语 braguette(与“支撑、扣接”有关),后来在英语中发展出“括号、支架”之意。合起来,“curly bracket” 就是“弯曲形状的括号”。

相关词 Related Words

文学与著名作品 Literary & Notable Works

  • The C Programming Language(Kernighan & Ritchie)大量使用 { } 来界定函数与语句块。
  • Structure and Interpretation of Computer Programs(SICP)在讲解语言结构与语法时讨论括号体系(虽以圆括号为主,但常对比不同括号用法)。
  • Clean Code(Robert C. Martin)在代码风格与可读性讨论中涉及花括号放置与一致性(braces style)。
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