On 09/02/2017 10:07 AM, lithium iodate wrote:
>> Lazy version, which the user can easily generate a string from by
>> appending .array:
>>
>> import std.stdio;
>>
>> auto hexString(R)(R input) {
>> import std.conv : text;
>> import std.string : format;
>> import std.algorithm : map, joiner;
>> return input.map!(c => format("%02x", c)).joiner;
>> }
>>
>> void main() {
>> writeln("AAA".hexString);
>> }
>>
>> To generate string:
>>
>> import std.range : array;
>> writeln("AAA".hexString.array);
>>
>> Ali
>
> Please correct my if i'm wrong, but it think this has issues regarding
> unicode.
> "ö…" becomes "f62026", which, interpreted as UTF-8, is a control
> character ~ " &", so you either need to add padding or use ..byCodeUnit
> so it becomes "c3b6e280a6" (correct UTF-8) instead.
You're right but I think there is no intention of interpreting the
result as UTF-8. "f62026" is just to be used as "f62026", which can be
converted byte-by-byte back to "ö…". That's how understand the
requirement anyway.
Ali
