[Issue 12348] New: toImpl(Target, Source)(Source source, radix) add range support

[d-bugmail at puremagic.com]

https://d.puremagic.com/issues/show_bug.cgi?id=12348

           Summary: toImpl(Target,Source)(Source source, radix) add range
                    support
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: kozzi11 at gmail.com


--- Comment #0 from Daniel Kozak <kozzi11 at gmail.com> 2014-03-11 09:04:12 PDT ---
Few days ago I need convert ascii7 binary string into chars.

For example something like this:
string str = "10101011010101"; // contains "UU"

So my first attempt has been something like this:

foreach(chunk; str.chunks(7)) {
    write(to!char(chunk,2));
}

It doesn't work.

But this works ok:
foreach(chunk; str.chunks(7)) {
    write(to!char(to!ubyte(to!string(chunk), 2))); // but seems ugly
    //write(to!char(parse!ubyte(chunk, 2))); //this works too but still not
perfect
}

It would be great if the code from my first attempt works

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