# File lib/json/common.rb, line 281 281: def dump(obj, anIO = nil, limit = nil) 282: if anIO and limit.nil? 283: anIO = anIO.to_io if anIO.respond_to?(:to_io) 284: unless anIO.respond_to?(:write) 285: limit = anIO 286: anIO = nil 287: end 288: end 289: limit ||= 0 290: result = generate(obj, :allow_nan => true, :max_nesting => limit) 291: if anIO 292: anIO.write result 293: anIO 294: else 295: result 296: end 297: rescue JSON::NestingError 298: raise ArgumentError, "exceed depth limit" 299: end