using readf in D

1100110 0b1100110 at gmail.com
Sat Apr 20 14:59:37 PDT 2013


"Chris Cain" <clcain at uncg.edu> Wrote in message:
> On Saturday, 20 April 2013 at 12:52:30 UTC, Carlos wrote:
>> Hi guys! I'm writing a little program in D from another version 
>> I did for my homework written in C. But it doesn't work very 
>> well. First it takes two reads for the first input from the 
>> user and second it only calculates tcsleep.
>>
>> Here is the code:
>>
>> import std.stdio;
>> import std.c.stdlib;
>> void main()
>> {
>> immutable sitc = 1.66;
>> immutable sleepc = 1.08;
>> float tcsleep, tcsit, tc;
>> int minsleep, minsit;
>> write("Input number of minutes sleep : \n");
>> readf("%d ", &minsleep);
>>
>> write("Input number of minutes sitting : \n");
>> readf("%d ", &minsit);
>>
>> write("Thanks!\n");
>> tcsleep = minsit*sitc;
>> tcsit = minsleep*sleepc;
>> tc = tcsleep+tcsit;
>> writeln("Your total calories is : ", tc);
>> exit (0);
>> }
> 
> First off, great on you for rewriting an old assignment in a new 
> language. That's one of the better ways I've found to learn new 
> languages (and I learn new languages all the time) because it 
> allows you to focus on the new language and how you might use 
> that language rather than solving the problem at hand.
> 
> Second, this probably should be in D.learn (if I don't say it, 
> someone else will). 
> http://forum.dlang.org/group/digitalmars.D.learn if you're using 
> the web interface.
> 
> Third, "exit(0)" is redundant in D. It'll exit with code 0 as 
> long as execution terminates normally (i.e., no exceptions 
> thrown).
> 
> Finally, what "doesn't work very well"? Without more information, 
> I don't think anyone will be able to help you.
> 
> Take care.
> 


as soon as I saw readf I knew what was wrong.

its a pretty common issue.
-- 
sigh...




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