module Lab42::NHash::Hierarchy
Public Instance Methods
add_hierarchies(*some_hierarchies)
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# File lib/lab42/nhash/hierarchies.rb, line 10 def add_hierarchies *some_hierarchies some_hierarchies.each do | a_hierarchy | add_hierarchy a_hierarchy end self end
add_hierarchy(a_hierarchy={})
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# File lib/lab42/nhash/hierarchies.rb, line 4 def add_hierarchy a_hierarchy={} a_hierarchy = self.class.new a_hierarchy if Hash === a_hierarchy raise ArgumentError, 'not an NHash instance' unless self.class === a_hierarchy @hierarchies << a_hierarchy self end
get_from_hierarchies(keyexpr, keyexc)
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# File lib/lab42/nhash/hierarchies.rb, line 17 def get_from_hierarchies keyexpr, keyexc @hierarchies.each do | h | begin return h.get keyexpr rescue KeyError end end raise KeyError, keyexc end