let priceString = "$1" let formattedString = String(format: "Purchase colorful dice by %@", priceString) print(formattedString) >> Purchase colorful dice by $1
formatの中のPlaceholderについて、%@はString型の引数、%dはInt型の引数、%fはDouble型の引数。
let priceString = "$1" let formattedString = String(format: "Purchase colorful dice by %@", priceString) print(formattedString) >> Purchase colorful dice by $1
formatの中のPlaceholderについて、%@はString型の引数、%dはInt型の引数、%fはDouble型の引数。