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@@ Line 2,242: / Line 2,242: @@
 ["police", 4] ["fire", 5] ["sanitation", 3]
 </pre>
+=={{header|Swift}}==
+Functional approach:
+<lang swift>let res = [2, 4, 6].map({x in
+  return (1...7)
+      .filter({ $0 != x })
+      .map({y -> (Int, Int, Int)? in
+        let z = 12 - (x + y)
+        guard y != z && 1 <= z && z <= 7 else {
+          return nil
+        }
+        return (x, y, z)
+      }).compactMap({ $0 })
+}).flatMap({ $0 })
+for result in res {
+  print(result)
+}</lang>
+Iterative approach:
+<lang swift>var res = [(Int, Int, Int)]()
+for x in [2, 4, 6] {
+  for y in 1...7 where x != y {
+    let z = 12 - (x + y)
+    guard y != z && 1 <= z && z <= 7 else {
+      continue
+    }
+    res.append((x, y, z))
+  }
+}
+for result in res {
+  print(result)
+}</lang>
+{{out}}
+<pre>(2, 3, 7)
+(2, 4, 6)
+(2, 6, 4)
+(2, 7, 3)
+(4, 1, 7)
+(4, 2, 6)
+(4, 3, 5)
+(4, 5, 3)
+(4, 6, 2)
+(4, 7, 1)
+(6, 1, 5)
+(6, 2, 4)
+(6, 4, 2)
+(6, 5, 1)</pre>
 =={{header|Tcl}}==