// strange behaviour for probably all combining marks (macOS 12.4):
NSString *pintu = @"-ฺ"; // HYPHEN-MINUS + THAI CHARACTER PHINTHU
// ok
NSString *test1 = pintu;
[ self printTestString: test1 ];
// prints: length 2 0x2d 0xe3a “-ฺ” ok: has prefix “-“
__NSCFConstantString ← __NSCFString
// BAD
NSString *test2 = [ @"/some/path" stringByAppendingPathComponent: pintu
].lastPathComponent;
[ self printTestString: test2 ];
// prints: length 2 0x2d 0xe3a “-ฺ” BAD: has no prefix "-" NSPathStore2 ←
NSString
- (void)printTestString: (NSString *)testWord
{
BOOL hasPre = [ testWord hasPrefix: @"-" ];
NSLog(@"%s length %tu %#x %#x \"%@\" %s prefix \"-\" %@ ←
%@",__FUNCTION__,
testWord.length, [testWord characterAtIndex: 0], [testWord
characterAtIndex: 1], testWord,
hasPre ? "ok: has" : "BAD: has no",
[testWord class], [testWord superclass] );
}
Why has test2 no prefix?
What am I doing wrong?
Gerriet.
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