Merge pull request #10 from vapor/sizes

size helpers

Author: loganwright

Sources/Bits/Aliases.swift

@@ -12,3 +12,18 @@ public typealias Bytes = [Byte]
     A sliced collection of raw data
 */
 public typealias BytesSlice = ArraySlice<Byte>
+
+// MARK: Sizes
+
+private let _bytes = 1
+private let _kilobytes = _bytes * 1000
+private let _megabytes = _kilobytes * 1000
+private let _gigabytes = _megabytes * 1000
+
+extension Int {
+    public var bytes: Int { return self }
+    public var kilobytes: Int { return self * _kilobytes }
+    public var megabytes: Int { return self * _megabytes }
+    public var gigabytes: Int { return self * _gigabytes }
+}
+