[Issue 1314] Dupping an empty array creates a null array

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=1314





------- Comment #4 from leikeze at gmail.com  2007-07-05 18:32 -------
(In reply to comment #0)
> Dupping an empty array creates a null array:
> ----  ----
> import std.stdio;
> 
> void main(char[][] args) {
>         writefln("" is null);    // false
>         writefln("".dup is null); // true
>         writefln("".idup is null); // true
>         writefln("".dup.ptr); // 0000
> }
> 

According to http://www.digitalmars.com/d/arrays.html shouldn't "".length be 1?
> String literals already have a 0 appended to them, so can be used directly
So shouldn't "".dup return a char array of length 1, containing the null
character? Or is "" a special case that is interpreted as null?


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