uptimeNanoseconds

import Dispatch

struct DispatchTime

@frozen struct UInt64

A 64-bit unsigned integer value type.

init(uptimeNanoseconds: UInt64)

Creates a DispatchTime relative to the system clock that ticks since boot.

static let distantFuture: DispatchTime

static func now() -> DispatchTime

let rawValue: dispatch_time_t

static func < (a: DispatchTime, b: DispatchTime) -> Bool

static func == (a: DispatchTime, b: DispatchTime) -> Bool