[Issue 10453] Allow a hex string as literal for an array of ubytes?
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Wed Nov 27 14:21:52 PST 2013
https://d.puremagic.com/issues/show_bug.cgi?id=10453
--- Comment #1 from Parke <parke.nexus at gmail.com> 2013-11-27 14:21:45 PST ---
Cross posting from D.learn:
http://forum.dlang.org/thread/lnyykrbmfxsljpxezlcm@forum.dlang.org
TDPL, page 37, says:
"Hex strings are useful for defining raw data; the compiler makes
no attempt whatsoever to interpret the contents as Unicode
characters or anything else but hexadecimal digits."
But:
static immutable (char[32]) s0 = x"0000"; // compiles
static string s1 = x"cccc"; // compiles
static immutable (char[]) s2 = x"cccc"; // compiles
static immutable (char[32]) s3 = x"cccc"; // Error: Invalid
trailing code unit
static immutable (char[32]) s4 = x"cc"; // Error: Truncated
UTF-8 sequence
static immutable (ubyte[]) s5 = x"cccc"; // Error: cannot
implicitly convert ...
static immutable (ubyte[32]) s6 = x"cccc"; // Error: Invalid
trailing code unit
// Error: cannot
implicitly convert ...
"Invalid trailing code unit" and "Truncated UTF-8 sequence"
certainly look like Unicode interpretation errors to me.
(Of course, what I would really like to do is initialize a ubyte
array with a hex string, preferably without a cast.)
I cannot find any relevant documentation on either of these pages.
http://dlang.org/lex.html
http://dlang.org/arrays.html#strings
Any advice would be appreciated. Thanks!
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