我在Dart中探索嵌套函数的旅程:从好奇到清晰
原文英文,约900词,阅读约需4分钟。发表于: 。While scrolling through Stack Overflow questions one day, I stumbled upon a piece of code that used something called a "nested function." Although I'd seen similar code structures before, I hadn't...
在Dart中,嵌套函数是定义在其他函数内部的函数,有助于封装功能、保持代码整洁,避免全局命名空间混乱。它们适用于需要辅助逻辑的场景,如表单验证,能简化代码并提高可读性。