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UITableViewCellのsubviewsを走査してセパレーターを非表示にするやつ
// 参考:https://stackoverflow.com/questions/29006311/grouped-uitableview-remove-outer-separator-line
func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
cell.subviews.forEach { subview in
if subview != cell.contentView, subview.frame.width == cell.frame.width, subview.frame.height == 0.5 {
// 特定のセクション、かつ特定のクラスだけ処理を変える場合
if indexPath.section == 99,
let cell = cell as? SampleTableViewCell {
// TODO: なにかする
} else {
subview.isHidden = true
}
}
}
}
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