# File lib/json/common.rb, line 323 def dump(obj, anIO = nil, limit = nil) if anIO and limit.nil? anIO = anIO.to_io if anIO.respond_to?(:to_io) unless anIO.respond_to?(:write) limit = anIO anIO = nil end end limit ||= 0 result = generate(obj, :allow_nan => true, :max_nesting => limit) if anIO anIO.write result anIO else result end rescue JSON::NestingError raise ArgumentError, "exceed depth limit" end