no print function output do while

[dark777]

On Thursday, 28 September 2017 at 21:34:46 UTC, arturg wrote:
> On Thursday, 28 September 2017 at 20:17:24 UTC, Ali Çehreli 
> wrote:
>> On 09/28/2017 12:18 PM, dark777 wrote:
>>> On Thursday, 28 September 2017 at 18:46:56 UTC, Ali Çehreli 
>>> wrote:
>>>> On 09/28/2017 08:13 AM, dark777 wrote:
>>>>> no print function output do while
>>>>>
>>>>> in my program after entering the data and select the 
>>>>> function that will print on the screen the same is not 
>>>>> printing ..
>>>>>
>>>>> and if I choose 'q' or 'Q' does the program not close what 
>>>>> is happening?
>>>>> should not it work just like in C ++?
>>>>>
>>>>> https://pastebin.com/iiMVPk4x
>>>>
>>>> You made a simple logic error. Change the following || to &&:
>>>>
>>>>     }while(choice != 'q' || choice != 'Q');
>>>>
>>>> Ali
>>> 
>>> I think it should not give this error
>>> 
>>> good but until now I do not understand why after I enter with 
>>> data in the function add_human
>>> 
>>> the same is not printed when I choose the 'p' or 'P' option 
>>> in the case
>>> 
>>> void print_list(Human[] human_list)
>>> {
>>>   foreach(human; human_list)
>>>     {
>>>      writefln("\nNome: %s",human.name);
>>>      writefln("Peso: %0.2f",human.peso);
>>>      writefln("Idade: %d\n",human.age);
>>>     }
>>> }
>>
>> It's because add_human is appending to its own array. Change 
>> it to by-ref:
>>
>> void add_human(ref Human[] human_list)
>>
>> Ali
>
> while(choice != 'q' || choice != 'Q');
> doesn't seem to exit the loop, while this works:
> while(choice != 'q');
> or
> while(!(choice == 'q' || choice == 'Q'));
>
> wouldn't it be better to use a labeled statement instead?
>
> endless : while(true)
> {
>     ...
>
>     switch(choice)
>     {
>         ...
>
>         case 'Q':
>         case 'q': break endless;
>
>         ...
>     }
> }

It's good that it worked out here.