How do I format numbers and currency with FormatStyle?

In Swift, you can format numbers and currency using the `FormatStyle` protocol. This allows you to present numbers in a user-friendly manner, tailored to the user's locale or specific requirements.

Example of Formatting Numbers and Currency in Swift

Below is an example showing how you can use `NumberFormatter` and `FormatStyle` to format numbers and currency:

let number = 1234567.89 // Formatting as a decimal let decimalFormatter = FloatingPointFormatStyle(number: number) let formattedDecimal = decimalFormatter.localizedString() // Formatting as currency in USD let currencyFormatter = CurrencyFormatStyle(locale: Locale(identifier: "en_US")) let formattedCurrency = currencyFormatter.localizedString(number) print("Formatted Decimal: \(formattedDecimal)") // "1,234,567.89" print("Formatted Currency: \(formattedCurrency)") // "$1,234,567.89"

Swift FormatStyle Number Formatting Currency Formatting Swift Programming

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