Added a convenience is function for optional CasePathable values (#204

) * Added a convenience `is` function for optional CasePathable values * Added some docs * Update Sources/CasePaths/Optional+CasePathable.swift --------- Co-authored-by: Stephen Celis <[email protected]>
pointfreeco · Oct 10, 2024 · ed5dd9a · ed5dd9a
1 parent c805972
commit ed5dd9a
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/Sources/CasePaths/Optional+CasePathable.swift b/Sources/CasePaths/Optional+CasePathable.swift
@@ -86,3 +86,11 @@ extension Optional.AllCasePaths: Sequence {
     [\.none, \.some].makeIterator()
   }
 }
+
+extension Optional where Wrapped: CasePathable {
+  @_disfavoredOverload
+  @_documentation(visibility:internal)
+  public func `is`(_ keyPath: PartialCaseKeyPath<Wrapped>) -> Bool {
+    self?[case: keyPath] != nil
+  }
+}