TF-494: Conform Array.DifferentiableView to CustomStringConvertible (#24736)

bartchr808 · rxwei · commit 5e9e040b352a · 2019-05-13T14:20:43.000-07:00
* Conform DifferentiableView to StringConvertible

* Move conformance to separate extension.

* Remove un-necessary where requirement.
diff --git a/stdlib/public/core/Array.swift b/stdlib/public/core/Array.swift
@@ -2008,6 +2008,12 @@ extension Array.DifferentiableView : Equatable where Element : Equatable {
   }
 }
 
+extension Array.DifferentiableView : CustomStringConvertible {
+  public var description: String {
+    return base.description
+  }
+}
+
 /// Makes `Array.DifferentiableView` additive as the product space.
 ///
 /// Note that `Array.DifferentiableView([])` is the zero in the product spaces

Original file line number	Diff line number	Diff line change
`@@ -2008,6 +2008,12 @@ extension Array.DifferentiableView : Equatable where Element : Equatable {`
`2008`	`2008`	`}`
`2009`	`2009`	`}`
`2010`	`2010`
	`2011`	`+extension Array.DifferentiableView : CustomStringConvertible {`
	`2012`	`+ public var description: String {`
	`2013`	`+ return base.description`
	`2014`	`+ }`
	`2015`	`+}`
	`2016`	`+`
`2011`	`2017`	/// Makes `Array.DifferentiableView` additive as the product space.
`2012`	`2018`	`///`
`2013`	`2019`	/// Note that `Array.DifferentiableView([])` is the zero in the product spaces