hlindberg · January 30, 2020 15:52 · Jan 30, 2020 · Jan 30, 2020
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -1,5 +1,5 @@
 # The latch function remembers what it was called with
-# and returns what it was previous called with.
+# and returns what it was previously called with.
 #
 # This is using global namespace - in your code use a module namespace
 #

diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,28 @@
+# The latch function remembers what it was called with
+# and returns what it was previous called with.
+#
+# This is using global namespace - in your code use a module namespace
+#
+Puppet::Functions.create_function(:latch) do
+  dispatch :example do
+    repeated_param 'Any', :arg
+  end
+
+  def example(*args)
+    adapter = adapterclass.adapt(closure_scope().compiler)
+    result = adapter.thing
+    adapter.thing = args
+    result
+  end
+
+  def adapterclass
+    @adapterclass ||= Class.new(Puppet::Pops::Adaptable::Adapter) do
+      attr_accessor :thing
+      def self.name()
+        # This is using global namespace - in your code use a module namespace
+        "LatchFunctionAdapter"
+      end
+    end
+    @adapterclass
+  end
+end
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