casting as char at CT fail

[bioinfornatics]

On Wednesday, 27 November 2013 at 01:22:07 UTC, Shammah 
Chancellor wrote:
> On 2013-11-26 23:31:14 +0000, bioinfornatics said:
>
>> Hi,
>> this time i have so many question about CT …
>> iws and ibuclaw help me for this.
>> 
>> I stuck currently about a cast at CT -> 
>> http://www.dpaste.dzfl.pl/1a28a22c
>> 
>> it seem this should works but not…
>> So if you confirm maybe a report is needed
>> 
>> thanks to everyone
>
>
> String at compile time seem to be represented as dchar.   Also, 
> the loop on bitsPerChar won't work at compile time right now.
>   I think 	 maskTmp = cast(T)((1 << bitsPerChar) - 1);
> does the same thing though.
>
> http://www.dpaste.dzfl.pl/985a2f42
>
> Fails with some weird internal DMD error now though while 
> trying to instantiate the enum.   Maybe time for a bug report?

ldc2 fail too but error message is better, i think.

$ ldc2 BaseTest2.d
/usr/include/d/std/range.d(4171): Error: pointer cast from 
immutable(dchar)* to dchar* is not supported at compile time
BaseTest2.d(56):        called from here: __r11.front()
BaseTest2.d(99):        called from here: Base(cast(ubyte)0u, 
null, cast(ubyte)0u, cast(ubyte)0u, null, 
null).this(cast(ubyte)4u, "ACGT", [cast(ubyte)0u, cast(ubyte)1u, 
cast(ubyte)2u, cast(ubyte)3u])
BaseTest2.d(101): Error: function BaseTest2.Base!(ubyte, 
dchar).Base.encode (const(immutable(dchar)[]) word) const is not 
callable using argument types (string)