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September 27, 2017 20:37
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Some units conversion
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| extension Double { | |
| var km: Double { return self } // This is stored as km, everything else will need conversion instead. | |
| var mile: Double { return 0.6214 * self } | |
| } | |
| 10.km | |
| 10.mile | |
| let x = 10.0 // if user unit is miles | |
| let dist = x/1.mile | |
| dist |
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