User input; quick question.

[fred via Digitalmars-d-learn]

On Saturday, 29 April 2017 at 21:18:27 UTC, cym13 wrote:
> On Saturday, 29 April 2017 at 21:09:13 UTC, fred wrote:
>> import std.stdio;
>>
>> I am somewhat new to D, and I am trying to receive user input, 
>> like this, with a prompt:
>>
>> string str;
>> writeln("Enter a string: ");
>> str = readln;
>> writeln(str);
>>
>> However, the prompt appears after I enter the input; any 
>> reason why?
>>
>> I've trawled the internet for a good hour, but I can't seem to 
>> find an answer.
>
> Your code is correct, it's your terminal or whatever you use to 
> see your program's output that doesn't flush stdout. You can 
> force it though:
>
> string str;
> writeln("Enter a string: ");
> stdout.flush;
> str = readln;
> write(str);


Thank you, again.