in src/scala/generator/src/main/scala/EmojiInfoGeneratedView.scala [213:222]
private def verifyGenderComplementExists(
genderComplementCodepoints: CodePoints,
item: Item
): Unit = {
if (!zwjDiversityItems.exists(_.codepoints.cp == genderComplementCodepoints.cp)) {
throw new Exception(
s"Zwj diversity item ${item.codepoints.key} is missing its gender-complement sequence ${genderComplementCodepoints.key}"
)
}
}