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D编程 nested switch statements
2021-09-01 11:25 更新
嵌套switch语句意味着，在switch语句中可以随意嵌套任意的switch语句。
nested switch - 语法
嵌套switch语句的语法如下所示:-
switch(ch1) {
case 'A':
writefln("This A is part of outer switch" );
switch(ch2) {
case 'A':
writefln("This A is part of inner switch" );
break;
case 'B': /* case code */
}
break;
case 'B': /* case code */
}nested switch - 示例
import std.stdio;
int main () {
/* local variable definition */
int a=100;
int b=200;
switch(a) {
case 100:
writefln("This is part of outer switch", a );
switch(b) {
case 200:
writefln("This is part of inner switch", a );
default:
break;
}
default:
break;
}
writefln("Exact value of a is : %d", a );
writefln("Exact value of b is : %d", b );
return 0;
}编译并执行上述代码时，将生成以下结果-
This is part of outer switch
This is part of inner switch
Exact value of a is : 100
Exact value of b is : 200 以上内容是否对您有帮助：
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