Merge pull request #19663 from lorentey/default-subscript-is-slow

lorentey · web-flow · commit 4887fcfc8353 · 2018-10-02T17:10:27.000+01:00
[stdlib] Force-inline Dictionary.subscript(_:, default:)._modify
diff --git a/stdlib/public/core/Dictionary.swift b/stdlib/public/core/Dictionary.swift
@@ -933,6 +933,7 @@ extension Dictionary {
     get {
       return _variant.lookup(key) ?? defaultValue()
     }
+    @inline(__always)
     _modify {
       let (bucket, found) = _variant.mutatingFind(key)
       let native = _variant.asNative

Original file line number	Diff line number	Diff line change
`@@ -933,6 +933,7 @@ extension Dictionary {`
`933`	`933`	`get {`
`934`	`934`	`return _variant.lookup(key) ?? defaultValue()`
`935`	`935`	`}`
	`936`	`+ @inline(__always)`
`936`	`937`	`_modify {`
`937`	`938`	`let (bucket, found) = _variant.mutatingFind(key)`
`938`	`939`	`let native = _variant.asNative`