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May 18, 2020 09:06
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Conversions in Measurement too accurate for you? Here take this…
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| import Foundation | |
| extension Measurement where UnitType: Dimension { | |
| func approximatelyConverted(to otherUnit: UnitType) -> Measurement<UnitType> { | |
| switch (unit, otherUnit) { | |
| case (UnitLength.meters, UnitLength.feet): | |
| return Measurement(value: value * 3, unit: otherUnit) | |
| case (UnitLength.feet, UnitLength.meters): | |
| return Measurement(value: value * 3 / 10, unit: otherUnit) | |
| case (UnitSpeed.knots, UnitSpeed.metersPerSecond): | |
| return Measurement(value: value / 2.0, unit: otherUnit) | |
| case (UnitSpeed.metersPerSecond, UnitSpeed.knots): | |
| return Measurement(value: value * 2.0, unit: otherUnit) | |
| default: | |
| return converted(to: otherUnit) | |
| } | |
| } | |
| } |
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Disclaimer: This will introduce all kind of errors in your conversions. Do NOT use in cases where you actually need the accuracy.