[String] Delete dead code; NFC

milseman · milseman · commit 26efa2403bad · 2017-07-26T09:00:52.000-07:00
diff --git a/stdlib/public/core/String.swift b/stdlib/public/core/String.swift
@@ -150,13 +150,6 @@ extension StringProtocol {
     }
     return String(String.CharacterView(self))
   }
-
-  internal var _persistentString : String {
-    if _fastPath(self is _SwiftStringView) {
-      return (self as! _SwiftStringView)._persistentContent
-    }
-    return String(String.CharacterView(self))
-  }
 }
 
 extension String : _SwiftStringView {

Original file line number	Diff line number	Diff line change
`@@ -150,13 +150,6 @@ extension StringProtocol {`
`150`	`150`	`}`
`151`	`151`	`return String(String.CharacterView(self))`
`152`	`152`	`}`
`153`		`-`
`154`		`- internal var _persistentString : String {`
`155`		`- if _fastPath(self is _SwiftStringView) {`
`156`		`- return (self as! _SwiftStringView)._persistentContent`
`157`		`- }`
`158`		`- return String(String.CharacterView(self))`
`159`		`- }`
`160`	`153`	`}`
`161`	`154`
`162`	`155`	`extension String : _SwiftStringView {`