TDPL bug or phobos bug?

[Andrei Alexandrescu]

On 11/15/10 7:31 AM, flyinghearts wrote:
> Page 8, in the example:
>
> import std.stdio, std.string;
>
> void main()
> {
>    uint[string] dictionary;
>    foreach (line; stdin.byLine()) {
>    // Break sentence into words
>    // Add each word in the sentence to the vocabulary
>      foreach (word; splitter(strip(line))) {
>        if (word in dictionary) continue; // Nothing to do
>        auto newlD = dictionary.length;
>        dictionary[word] = newlD;
>        writeln(newlD,word);
>           //Notice: the following line is not exist in the book.
>           //foreach(k, v; dictionary) writeln(k, " ", dictionary[k]);
>      }
>    }
> }
>
>
>
> There is a buffer reuse problem. The program does not work rightly on my
> machine(win xp, DMD 2.050). Moreover, an error, "object.Error: Access
> Violation", may occur when the associate array is directly accessed. It can be
> tested just by uncommenting the line begin with "//foreach", and setting the
> input data as:
> a b
> b c
>
>
> The solution to the problem is:
>
> dictionary[word]  ->    dictionary[word.idup]
> or:
> strip(line)       ->    strip(line.dup)

dmd bug, fixed recently.

http://d.puremagic.com/issues/show_bug.cgi?id=2954


Andrei