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# File 'dm-core/lib/dm-core/scope.rb', line 10

def with_exclusive_scope(query, &block)
  query = DataMapper::Query.new(repository, self, query) if Hash === query

  scope_stack << query

  begin
    yield
  ensure
    scope_stack.pop
  end
end

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# File 'dm-core/lib/dm-core/scope.rb', line 5

def with_scope(query, &block)
  # merge the current scope with the passed in query
  with_exclusive_scope(current_scope ? current_scope.merge(query) : query, &block)
end