[Issue 7689] New: splitter() on ivalid UTF-8 sequences

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7689

           Summary: splitter() on ivalid UTF-8 sequences
           Product: D
           Version: D2
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: bearophile_hugs at eml.cc


--- Comment #0 from bearophile_hugs at eml.cc 2012-03-11 14:07:42 PDT ---
Is this difference/inconsistency between split() and splitter() desired and
good?


import std.string, std.array, std.algorithm, std.range;
void main() {
    char[] s = cast(char[])[131, 64, 32, 251, 22];
    assert(std.string.split(s).length == 2); // no error
    assert(walkLength(std.array.splitter(s)) == 2); // Invalid UTF-8 sequence
    assert(walkLength(std.algorithm.splitter(s)) == 2); // Invalid UTF-8
sequence
}


Output, DMD 2.059head:

std.utf.UTFException at std\utf.d(645): Invalid UTF-8 sequence (at index 1)
----------------
...\dmd2\src\phobos\std\array.d(469): dchar
std.array.front!(char[]).front(char[])
...\dmd2\src\phobos\std\algorithm.d(2110): D3std9algorithm47__T8splitterS28...
...\dmd2\src\phobos\std\range.d(971): D3std5range97__...
----------------

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