in src/scala/generator/src/main/scala/EmojiInfoGeneratedView.scala [106:126]
private def unicodePattern(v: Int): String = {
if (v < 0xff) {
Character
.toChars(v)
.mkString
} else if (v > 0xffff && isOutputObjC) {
"\\U%08x".format(v).mkString
} else if (v > 0xffff && isOutputRuby) {
"\\u{%06x}".format(v).mkString
} else {
Character
.toChars(v)
.map {
_.toInt
}
.map {
"\\u%04x".format(_)
}
.mkString
}
}