Alias on an array element
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jared771 at gmail.com
Fri Oct 13 02:04:03 UTC 2017
On Friday, 13 October 2017 at 01:12:38 UTC, solidstate1991 wrote:
> On Friday, 13 October 2017 at 01:09:56 UTC, solidstate1991
> wrote:
>> I'm making a struct for easy color handling Here's a code
>> sample:
>>
>> ublic struct Color{
>> union{
>> uint raw; ///Raw representation in integer form, also forces
>> the system to align in INT32.
>> ubyte[4] colors; ///Normal representation, aliases are used
>> for color naming.
>> ubyte alpha, red, green, blue;
>> }
>> version(LittleEndian){
>> alias alpha = colors[0];
>> alias red = colors[1];
>> alias green = colors[2];
>> alias blue = colors[3];
>> }else{
>> alias alpha = colors[3];
>> alias red = colors[2];
>> alias green = colors[1];
>> alias blue = colors[0];
>> }
>> }
>>
>> All the aliases are fail to compile, have not found anything
>> about it in any of the documentations I checked.
>
> Edit: ubyte alpha, red, green, blue; was added so I can
> continue debugging after the refactoring until I find a
> solution.
You can only create aliases for symbols, not expressions. You
could create accessor functions that return the appropriate
indices.
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