• Zarathustra <adam.chrapkowski gmail.com> Aug 01 2008
• "Steven Schveighoffer" <schveiguy yahoo.com> Aug 01 2008
• BCS <ao pathlink.com> Aug 01 2008
• "Steven Schveighoffer" <schveiguy yahoo.com> Aug 01 2008
• BCS <ao pathlink.com> Aug 01 2008
• Max Samukha <samukha voliacable.com.removethis> Aug 01 2008

Zarathustra <adam.chrapkowski gmail.com> writes:

As in subject.

Type [KeyType] array;

array[new KeyType(...)] = new Type(...);
...

delete array; // error

"Steven Schveighoffer" <schveiguy yahoo.com> writes:

"Zarathustra"
 As in subject.

 Type [KeyType] array;

 array[new KeyType(...)] = new Type(...);
 ...

 delete array; // error


array = null;

-Steve 

BCS <ao pathlink.com> writes:

Reply to Zarathustra,

 As in subject.
 
 Type [KeyType] array;
 
 array[new KeyType(...)] = new Type(...);
 ...
 delete array; // error
 


I'm not sure how array=null will interact with other references to the same 
AA. 

This should clear them as well (but is more costly).

foreach(k;array.keys)array.delete(k);

"Steven Schveighoffer" <schveiguy yahoo.com> writes:

"BCS" wrote
 Reply to Zarathustra,

 As in subject.

 Type [KeyType] array;

 array[new KeyType(...)] = new Type(...);
 ...
 delete array; // error


 I'm not sure how array=null will interact with other references to the 
 same AA.


AA's are objects, so multiple references to the same AA would result in the 
data being retained for the references that you did not set to null.

It would be nice to have a .clear function so you could deal with removing 
all elements when multiple references are used.

-Steve 

BCS <ao pathlink.com> writes:

Reply to Steven,

 "BCS" wrote
 
 Reply to Zarathustra,
 
 As in subject.
 
 Type [KeyType] array;
 
 array[new KeyType(...)] = new Type(...);
 ...
 delete array; // error


 the same AA.
 


 in the data being retained for the references that you did not set to
 null.
 
 It would be nice to have a .clear function so you could deal with
 removing all elements when multiple references are used.
 
 -Steve
 


void clear(T)(T toClear) {foreach(key; toClear.keys) toClear.remove(key); }

?? O(n) (vs. O(1) for an internal version)

Max Samukha <samukha voliacable.com.removethis> writes:

On Fri, 1 Aug 2008 15:47:35 -0400, "Steven Schveighoffer"
<schveiguy yahoo.com> wrote:

"BCS" wrote
 Reply to Zarathustra,

 As in subject.

 Type [KeyType] array;

 array[new KeyType(...)] = new Type(...);
 ...
 delete array; // error


 I'm not sure how array=null will interact with other references to the 
 same AA.


AA's are objects, so multiple references to the same AA would result in the 
data being retained for the references that you did not set to null.

It would be nice to have a .clear function so you could deal with removing 
all elements when multiple references are used.

-Steve 


It would be also nice to be able to initialize an AA reference without
adding a value to the array.

int[int] a;
int[int] b = a;
a[1] = 2;
auto x = b[1]; // oops