英文:
What is the essential difference between keyword and predeclare name in Go
问题
Go语言有25个关键字，比如if和switch，只能在语法允许的地方使用；它们不能用作名称。
此外，还有大约三十多个预定义的名称，比如int和true，用于内置的常量、类型和函数。
英文:
Go has 25 keywords like if and switch that may be used only where the syntax permits; they can’t be used as names.
In addition, there are about three dozen predeclared names like int and true for built-in con- stants, types, and functions
答案1
得分: 2
它们只是标识符，可以自动为您提供。
当然，您可以更改它们，因为它们只是预定义的标识符，而不是其他语言结构。
var bool int = 42
fmt.Println(bool)
// 42
https://go.dev/play/p/Mh7MF6If6oy
英文:
They are just identifiers, universally available for you automatically.
Of course, you can change them since they are just predefined identifiers, not a language construct as others.
var bool int = 42
fmt.Println(bool)
// 42
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