Lua中..和#运算符的使用方法

通过Lua语言支持其他运算符包括串联和长度。

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 例子

试试下面的例子就明白了在Lua编程语言提供的其他运算符:

a = "Hello "
b = "World"

print("Concatenation of string a with b is ", a..b )

print("Length of b is ",#b )

print("Length of b is ",#"Test" )

当建立并执行上面的程序它会产生以下结果:

Concatenation of string a with b is  Hello World
Length of b is  5
Length of b is  4