// L here is syllable type not Letter as in unicode.L short-cut
auto leadingVowel = unicode.hangulSyllableType("L");
// check that some leading vowels are present
foreach (vowel; '\u1110'..'\u115F')
assert(leadingVowel[vowel]);
assert(leadingVowel == unicode.hangulSyllableType.L);
Fetch a set of $(CODEPOINTS) that have the given hangul syllable type.
Other non-binary properties (once supported) follow the same notation - unicode.propertyName.propertyValue for compile-time checked access and unicode.propertyName(propertyValue) for run-time checked one.
See the table of properties for available sets.