HOWTO: Read attributes from an enumeration member

Today I needed to read custom attributes from members of an enumeration type. As the found solution did not strike me as immediately obvious, I'm posting here for future reference:

            Thing foo = Thing.Bar;
           FieldInfo field = foo.GetType().GetField(foo.ToString());
           object[] attrs = field.GetCustomAttributes(typeof(Description), false);

where Thing is an enumeration, defined something like:

public enum Thing {
       [Description("Foo thing")]
       Foo,
       Bar,
       [Description("Baz thing")]
       Baz
   }

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