tasks a-s

Task/Optional-parameters/Ruby/optional-parameters-2.rb

@@ -0,0 +1,16 @@
+def table_sort(table, ordering: :<=>, column: 0, reverse: false)
+  p = ordering.to_proc
+  if reverse
+    table.sort {|a, b| p.(b[column], a[column])}
+  else
+    table.sort {|a, b| p.(a[column], b[column])}
+  end
+end
+
+# Quick example:
+table = [
+  ["Ottowa", "Canada"],
+  ["Washington", "USA"],
+  ["Mexico City", "Mexico"],
+]
+p table_sort(table, column: 1)