[stdlib] Use RRC.filter in removeAll(where: _) (swiftlang#18825)

natecook1000 · web-flow · commit 8bfe51941323 · 2019-11-15T16:24:27.000-06:00
diff --git a/stdlib/public/core/RangeReplaceableCollection.swift b/stdlib/public/core/RangeReplaceableCollection.swift
@@ -1135,8 +1135,6 @@ extension RangeReplaceableCollection {
   public mutating func removeAll(
     where shouldBeRemoved: (Element) throws -> Bool
   ) rethrows {
-    // FIXME: Switch to using RRC.filter once stdlib is compiled for 4.0
-    // self = try filter { try !predicate($0) }
-    self = try Self(self.lazy.filter { try !shouldBeRemoved($0) })
+    self = try filter { try !shouldBeRemoved($0) }
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -1135,8 +1135,6 @@ extension RangeReplaceableCollection {`
`1135`	`1135`	`public mutating func removeAll(`
`1136`	`1136`	`where shouldBeRemoved: (Element) throws -> Bool`
`1137`	`1137`	`) rethrows {`
`1138`		`- // FIXME: Switch to using RRC.filter once stdlib is compiled for 4.0`
`1139`		`- // self = try filter { try !predicate($0) }`
`1140`		`- self = try Self(self.lazy.filter { try !shouldBeRemoved($0) })`
	`1138`	`+ self = try filter { try !shouldBeRemoved($0) }`
`1141`	`1139`	`}`
`1142`	`1140`	`}`