lib/finitio/errors.rb in finitio-0.4.1 vs lib/finitio/errors.rb in finitio-0.5.0

@@ -6,9 +6,23 @@
       super(msg)
       @cause = cause
     end
     attr_reader :cause
 
+    def root_cause(sandbox = true)
+      # 1) no deeper cause, it's me
+      return self if cause.nil?
+
+      # 2) not a Finitio cause and sandbox
+      return self if sandbox and not cause.is_a?(Error)
+
+      # 3) cause may not go deeper
+      return cause unless cause.respond_to?(:root_cause)
+
+      # 4) delegate
+      cause.root_cause
+    end
+
   end # class Error
 
   class TypeError < Error
 
     def initialize(msg, cause = nil, location = nil)