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OptionalCompare.swift
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| func < <T: Comparable>(lhs: T?, rhs: T?) -> Bool { | |
| switch (lhs, rhs) { | |
| case let (l?, r?): | |
| return l < r | |
| case (nil, _?): | |
| return true | |
| default: | |
| return false | |
| } | |
| } | |
| func > <T: Comparable>(lhs: T?, rhs: T?) -> Bool { | |
| switch (lhs, rhs) { | |
| case let (l?, r?): | |
| return l > r | |
| default: | |
| return false | |
| } | |
| } |
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