Created
September 6, 2022 19:46
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Large Integer Formatter (K,M,B,…) Swift
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| struct AbbreviatedIntegerStyle: FormatStyle { | |
| typealias FormatInput = Int | |
| typealias FormatOutput = String | |
| func format(_ value: Int) -> String { | |
| let absolute = abs(value) | |
| let number = Double(value) | |
| func rnd(_ number: Double) -> String { | |
| (round(number*10)/10).formatted() | |
| } | |
| switch absolute { | |
| case 1_000_000...: return rnd(number / 1_000_000) + "M" | |
| case 1_000...: return rnd(number / 1_000) + "K" | |
| default: return "\(value)" | |
| } | |
| } | |
| } | |
| extension FormatStyle where Self == AbbreviatedIntegerStyle { | |
| static var abbreviatedInt: AbbreviatedIntegerStyle { .init() } | |
| } | |
| print(1000000.formatted(.abbreviatedInt)) |
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