review: condense categorizedAvailability initialization

swiftlang · Dec 22, 2022 · 8c03891 · 8c03891
1 parent 4838eb6
commit 8c03891
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/Sources/SwiftDocC/Semantics/Metadata/Metadata.swift b/Sources/SwiftDocC/Semantics/Metadata/Metadata.swift
@@ -138,10 +138,7 @@ public final class Metadata: Semantic, AutomaticDirectiveConvertible {
             }
         }
 
-        var categorizedAvailability = [MetadataAvailability.Platform : [MetadataAvailability]]()
-        for availability in availability {
-            categorizedAvailability[availability.platform, default: []].append(availability)
-        }
+        let categorizedAvailability = Dictionary(grouping: availability, by: \.platform)
 
         for availabilityAttrs in categorizedAvailability.values {
             guard availabilityAttrs.count > 1 else {