Local Constant Declarations 局部常量声明
In addition, an interface can contain constant declarations.
另外,接口可以包含常量声明。
You can use arithmetic operators within your constant declarations as long as there are no mixed type expressions.
只要没有混合的类型表达式,就可以在常数说明中使用算术运算符。
Also as the name says, implicitly typed local variable, you cannot use var for field declaration or constant variables, therefore following declarations will both produce a compiler error.
故名思意,“隐式类型局部变量”将无法用于域变量或常量的声明中,否则将导致编译错误。
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