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2.5.1 节，if判断不建议使用小括号 #323

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pkubangbang opened this issue Aug 26, 2021 · 1 comment
Open

2.5.1 节，if判断不建议使用小括号 #323

pkubangbang opened this issue Aug 26, 2021 · 1 comment
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第二章 第二章 读者建议 来自读者对本书的建议

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@pkubangbang
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页码与行数

  • 第22页
  • 代码清单2-16
  • 第三行

代码错误

let big_n = if (n < 10 && n > -10) { // 小括号导致warning

Rust Playground Demo

https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=08e03bc15c70e2e26eeff1559bbd7672

错误信息

warning: unnecessary parentheses around `if` condition
@ZhangHanDong
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感谢反馈

@ZhangHanDong ZhangHanDong added 第二章 第二章 读者建议 来自读者对本书的建议 labels Aug 26, 2021
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