関連ワード:  does void function return a value    can void function return a value    does a void method return a value    void function returning a value    return void function returns a value mql4    non void function does not return a value in all control paths    non void function does not return a value    non void function does not return a value - wreturn type    non void function does not return a value c++    on void function does not return a value in all control paths