Use _lowWord in implementation of isEven

robmaceachern · robmaceachern · commit a9d9d311ee29 · 2018-08-13T09:51:01.000-07:00
diff --git a/proposals/nnnn-binaryinteger-iseven-isodd-ismultiple.md b/proposals/nnnn-binaryinteger-iseven-isodd-ismultiple.md
@@ -109,7 +109,7 @@ Add two computed properties, `isEven` and `isOdd`, and a function `isMultiple` t
     ///
     /// An integer is even if it is a multiple of two.
     public var isEven: Bool {
-        return isMultiple(of: 2)
+        return _lowWord % 2 == 0
     }
 
     @_transparent

Original file line number	Diff line number	Diff line change
@@ -109,7 +109,7 @@ Add two computed properties, `isEven` and `isOdd`, and a function `isMultiple` t
`109`	`109`	`///`
`110`	`110`	`/// An integer is even if it is a multiple of two.`
`111`	`111`	`public var isEven: Bool {`
`112`		`- return isMultiple(of: 2)`
	`112`	`+ return _lowWord % 2 == 0`
`113`	`113`	`}`
`114`	`114`
`115`	`115`	`@_transparent`