How to use "read_bool"?
Zeh
zecacu at yahoo.com.br
Mon Aug 6 09:17:32 PDT 2012
On Saturday, 4 August 2012 at 08:35:36 UTC, simendsjo wrote:
> On Sat, 04 Aug 2012 03:01:31 +0200, Zeh <zecacu at yahoo.com.br>
> wrote:
>
>> Thanks for the help, but i tryed both solutions posted and
>> still not working. :/
>>
>> I get erros to compile the code posted by simendsjo. I try
>> modify at my own, but without success. The code suggest by
>> Timon Gehr compiles, but not work.
>>
>> Honestly speaking, i didn't have enough knowledge to
>> understand the solutions offered (yet). What is the smallest
>> way to use the "read_bool"?
>>
>>
>> Besides, one version of that tutorial in portuguese would be
>> great =D
>
>
> This works:
> import std.stdio, std.string, std.conv;
>
> bool read_bool(in string message) {
> while(true) {
> write(message, " (false or true): ");
> string input;
> do {
> input = readln().chomp();
> } while(!input.length);
> writeln("INPUT: '", input, "'");
>
> try
> return input.to!bool();
> catch {}
> }
> }
>
> void main() {
> write("How many are we? ");
> int personCount;
> readf(" %s", &personCount);
>
> write("How many bicycles are there? ");
> int bicycleCount;
> readf(" %s", &bicycleCount);
>
> write("What is the distance to the beach? ");
> int distance;
> readf(" %s", &distance);
>
> bool existsCar = read_bool("Is there a car? ");
> bool existsLicense =
> read_bool("Is there a driver license? ");
> }
>
>
> $ rdmd read_bool
> How many are we? 10
> How many bicycles are there? 1
> What is the distance to the beach? 2
> Is there a car? (false or true): true
> Is there a driver license? (false or true): false
Very interesting way to solve the problem (at least for a noobie
like me ^^ ). Thanks for the help!
More information about the Digitalmars-d-learn
mailing list