Re: variable x cannot be read at compile time - how to get around this?
On Thursday, 13 November 2014 at 14:27:32 UTC, Steven Schveighoffer wrote: On 11/13/14 2:08 AM, Sergey wrote: Hello everyone! I need to create a two-dimensional array in this way, for example: auto x = 10; auto y = 10; auto some_array = new string[x][y]; auto some_array = new string[][](x, y); Note, this creates 10 arrays of 10 elements all on the heap, and then a 10 element array to point at them. If you wanted an array of 10 *fixed sized* arrays (which is what your code was trying to do), then you need to have the first dimension be a compile-time constant such as a literal or an enum/immutable. -Steve Thanks!!! This is what I need! auto some_array = new string[][](x, y);
Re: variable x cannot be read at compile time - how to get around this?
On 11/13/14 2:08 AM, Sergey wrote: Hello everyone! I need to create a two-dimensional array in this way, for example: auto x = 10; auto y = 10; auto some_array = new string[x][y]; auto some_array = new string[][](x, y); Note, this creates 10 arrays of 10 elements all on the heap, and then a 10 element array to point at them. If you wanted an array of 10 *fixed sized* arrays (which is what your code was trying to do), then you need to have the first dimension be a compile-time constant such as a literal or an enum/immutable. -Steve
Re: variable x cannot be read at compile time - how to get around this?
On Thursday, 13 November 2014 at 07:08:19 UTC, Sergey wrote: Hello everyone! I need to create a two-dimensional array in this way, for example: What did you want the type of the array to be? "string[10][10]" or "string[][]"?
Re: variable x cannot be read at compile time - how to get around this?
On Thu, 13 Nov 2014 07:08:17 +
Sergey via Digitalmars-d wrote:
>Hello everyone!
>
> I need to create a two-dimensional array in this way, for example:
>
> auto x = 10;
> auto y = 10;
> auto some_array = new string[x][y];
> variable x cannot be read at compile time
>
> I tried this:
> enum columns_array =
> [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20];
> auto y = 10;
> int i = 1;
> auto some_array = new string[columns_array[i]][y];
> Error: columns_array is used as a type
>
> And yet, if I have a function:
> string[x][] some_function (some par) {
> auto x = 10;
> auto y = 10;
> auto some_array = new string[x][y];
> return some_array;
> }
>
> Thanks in advance.
you can't. use static constructor.
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Re: variable x cannot be read at compile time - how to get around this?
On Thursday, 13 November 2014 at 07:50:26 UTC, Brian Schott wrote: On Thursday, 13 November 2014 at 07:08:19 UTC, Sergey wrote: Hello everyone! I need to create a two-dimensional array in this way, for example: What did you want the type of the array to be? "string[10][10]" or "string[][]"? Oops, I did not see some of the details, how to work with string[][]. Right now I still try to understand. Sorry. Thanks for the push! :)
