SwiftCompilerSources: Add SingleInlineArray.popLast()

atrick · atrick · commit d93b5eaa1674 · 2025-02-07T17:03:22.000-08:00
diff --git a/SwiftCompilerSources/Sources/SIL/Utilities/SequenceUtilities.swift b/SwiftCompilerSources/Sources/SIL/Utilities/SequenceUtilities.swift
@@ -167,4 +167,13 @@ public struct SingleInlineArray<Element>: RandomAccessCollection, FormattedLikeA
     }
     multipleElements.append(element)
   }
+
+  public mutating func popLast() -> Element? {
+    if multipleElements.isEmpty {
+      let last = singleElement
+      singleElement = nil
+      return last
+    }
+    return multipleElements.popLast()
+  }
 }

Original file line number	Diff line number	Diff line change
`@@ -167,4 +167,13 @@ public struct SingleInlineArray<Element>: RandomAccessCollection, FormattedLikeA`
`167`	`167`	`}`
`168`	`168`	`multipleElements.append(element)`
`169`	`169`	`}`
	`170`	`+`
	`171`	`+ public mutating func popLast() -> Element? {`
	`172`	`+ if multipleElements.isEmpty {`
	`173`	`+ let last = singleElement`
	`174`	`+ singleElement = nil`
	`175`	`+ return last`
	`176`	`+ }`
	`177`	`+ return multipleElements.popLast()`
	`178`	`+ }`
`170`	`179`	`}`