BitArray in custom class & initialize it in ctor with arguments
MarisaLovesUsAll
marusya at 2ch.hk
Sun Mar 23 12:53:26 PDT 2014
On Saturday, 22 March 2014 at 10:02:39 UTC, bearophile wrote:
> MarisaLovesUsAll:
>
>> Hi! I need to use array of bits in my custom class. I tried to
>> add std.bitmanip.BitArray as field, but got a strange error.
>> What
>> am I doing wrong?
>>
>> import std.bitmanip;
>> class Scene
>> {
>> BitArray collisionMap;
>> this(int w, int h)
>> {
>> collisionMap.init([0,0,0]);
>> }
>> }
>>
>> C:\D\dmd2\windows\bin\..\..\src\phobos\std\bitmanip.d
>> line 606
>> Error: btr cannot be interpreted at compile time, because it
>> has
>> no available source code
>
> To me this program compiles:
>
>
> import std.bitmanip;
>
> class Scene {
> BitArray collisionMap;
> this(int w, int h) {
> collisionMap.init([0,0,0]);
> }
> }
> void main() {}
>
>
> Errors like "btr cannot be interpreted at compile time" mean
> that you are trying to run at compile-time something that can
> only run at run-time. So are you using enums or static
> immutables or static constructors or something like that?
>
> Bye,
> bearophile
Thanks for help! It was static(?) ctor, I had been trying to
create Scene from another class via
class App
{
Scene scene = new Scene(13,10);
}
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