dynamic array of strings

Michael P. baseball.mjp at gmail.com
Tue Dec 30 09:23:07 PST 2008


Denis Koroskin Wrote:

> On Tue, 30 Dec 2008 18:56:08 +0300, Michael P. <baseball.mjp at gmail.com> wrote:
> 
> > Jarrett Billingsley Wrote:
> >
> >> On Mon, Dec 29, 2008 at 10:36 PM, Michael P. <baseball.mjp at gmail.com>  
> >> wrote:
> >> > import std.stdio;
> >> > import std.cstream;
> >> > void main()
> >> > {
> >> >  char[][] names;
> >> >  char[] currentName;
> >> >  while( true )
> >> >  {
> >> >    din.readf( "%s", &currentName );
> >> >    if( currentName == "stop" )
> >> >    {
> >> >      break;
> >> >    }
> >> >    else
> >> >    {
> >> names ~= currentName;
> >> >    }
> >> >  }
> >> >  foreach( name; names )
> >> >  {
> >> >    writefln( name );
> >> >  }
> >> > }
> >>
> >> ~= performs an append.  It adds the given item to the end of the array.
> >
> > Under 1.036, this does not work.
> >
> > Input:
> > michael
> > is
> > cool
> > stop
> >
> > The output is:
> > stopeal
> > st
> > stop
> >
> > What seems to be happening is that the letters of stop are added to the  
> > word, and if the word is longer than stop, then the rest of the letters  
> > of the word are added.
> > So, I'm not sure if this is a bug or what...
> > -Michael P.
> 
> Now, it's not. What you do is overwrite the string again and again.
> Try putting "currentName = null;" before doing din.readf().

Thanks, that worked.
-Michael P.


More information about the Digitalmars-d-learn mailing list