and various supporting classes). • Client- and server-side implementions of HTTP (HTTPServer and AsyncHTTPClient). • An asynchronous networking library including the classes IOLoop and IOStream, which Queue example - a concurrent web spider Tornado’s tornado.queues module (and the very similar Queue classes in asyncio) implements an asynchronous producer / consumer pattern for coroutines, analogous to the get()/post()/etc, certain other methods in RequestHandler are designed to be overridden by sub- classes when necessary. On every request, the following sequence of calls takes place: 1. A new RequestHandler

and security Running and deploying Web framework tornado.web — RequestHandler and Application classes tornado.template — Flexible output generation tornado.routing — Basic routing implementation tornado applications, and various supporting classes). Client- and server-side implementions of HTTP (HTTPServer and AsyncHTTPClient). An asynchronous networking library including the classes IOLoop and IOStream, which Queue example - a concurrent web spider Tornado’s tornado.queues module (and the very similar Queue classes in asyncio [https://docs.python.org/3/library/asyncio.html#module-asyncio]) implements an asynchronous

subtype does not need to implement a custom version of map, since the generic definitions + trait classes will enable the system to select the fastest version. Here is a toy implementation of map illustrating non-interactive mode. • Julia's structs do not support dynamically adding fields at runtime, unlike MATLAB's classes. In- stead, use a Dict. Dict in Julia isn't ordered.CHAPTER 38. NOTEWORTHY DIFFERENCES FROM OTHER which use a different syntax and allows dispatch on the receiver of the method). • There are no classes in Julia. Instead there are structures (mutable or immutable), containing data but no methods.CHAPTER

subtype does not need to implement a custom version of map, since the generic definitions + trait classes will enable the system to select the fastest version. Here is a toy implementation of map illustrating non-interactive mode. • Julia's structs do not support dynamically adding fields at runtime, unlike MATLAB's classes. In- stead, use a Dict. Dict in Julia isn't ordered.CHAPTER 38. NOTEWORTHY DIFFERENCES FROM OTHER which use a different syntax and allows dispatch on the receiver of the method). • There are no classes in Julia. Instead there are structures (mutable or immutable), containing data but no methods.CHAPTER

toCHAPTER 13. METHODS 171 implement a custom version of map, since the generic definitions + trait classes will enable the system to select the fastest version. Here is a toy implementation of map illustrating non-interactive mode. • Julia's structs do not support dynamically adding fields at runtime, unlike MATLAB's classes. In- stead, use a Dict. Dict in Julia isn't ordered.CHAPTER 39. NOTEWORTHY DIFFERENCES FROM OTHER which use a different syntax and allows dispatch on the receiver of the method). • There are no classes in Julia. Instead there are structures (mutable or immutable), containing data but no methods.CHAPTER

toCHAPTER 13. METHODS 171 implement a custom version of map, since the generic definitions + trait classes will enable the system to select the fastest version. Here is a toy implementation of map illustrating non-interactive mode. • Julia's structs do not support dynamically adding fields at runtime, unlike MATLAB's classes. In- stead, use a Dict. Dict in Julia isn't ordered.CHAPTER 39. NOTEWORTHY DIFFERENCES FROM OTHER which use a different syntax and allows dispatch on the receiver of the method). • There are no classes in Julia. Instead there are structures (mutable or immutable), containing data but no methods.CHAPTER

toCHAPTER 13. METHODS 171 implement a custom version of map, since the generic definitions + trait classes will enable the system to select the fastest version. Here is a toy implementation of map illustrating non-interactive mode. • Julia's structs do not support dynamically adding fields at runtime, unlike MATLAB's classes. In- stead, use a Dict. Dict in Julia isn't ordered.CHAPTER 39. NOTEWORTHY DIFFERENCES FROM OTHER which use a different syntax and allows dispatch on the receiver of the method). • There are no classes in Julia. Instead there are structures (mutable or immutable), containing data but no methods.CHAPTER

subtype does not need to implement a custom version of map, since the generic definitions + trait classes will enable the system to select the fastest version. Here is a toy implementation of map illustrating non-interactive mode. • Julia's structs do not support dynamically adding fields at runtime, unlike MATLAB's classes. In- stead, use a Dict. Dict in Julia isn't ordered. • In Julia each module has its own global which use a different syntax and allows dispatch on the receiver of the method). • There are no classes in Julia. Instead there are structures (mutable or immutable), containing data but no methods.

subtype does not need to implement a custom version of map, since the generic definitions + trait classes will enable the system to select the fastest version. Here is a toy implementation of map illustrating non-interactive mode. • Julia's structs do not support dynamically adding fields at runtime, unlike MATLAB's classes. In- stead, use a Dict. Dict in Julia isn't ordered. • In Julia each module has its own global which use a different syntax and allows dispatch on the receiver of the method). • There are no classes in Julia. Instead there are structures (mutable or immutable), containing data but no methods.

subtype does not need to implement a custom version of map, since the generic definitions + trait classes will enable the system to select the fastest version. Here is a toy implementation of map illustrating non-interactive mode. • Julia's structs do not support dynamically adding fields at runtime, unlike MATLAB's classes. In- stead, use a Dict. Dict in Julia isn't ordered. • In Julia each module has its own global which use a different syntax and allows dispatch on the receiver of the method). • There are no classes in Julia. Instead there are structures (mutable or immutable), containing data but no methods.