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Design patterns in the test of timeIterator
time to read 1 min | 108 words
In object-oriented programming, the iterator pattern is a design pattern in which an iterator is used to traverse a container and access the container's elements. The iterator pattern decouples algorithms from containers; in some cases, algorithms are necessarily container-specific and thus cannot be decoupled.
It is really hard to think about any other pattern that has been more successful. In particular, patterns have long been about overcoming shortcoming of the language or platform.
In this case, iterators has became part of both language and platform in most modern systems.
- System.Collection.IEnumerable
- java.util.Iterator
- Python’s __iter__()
Basically, it is so good, it is everywhere.
More posts in "Design patterns in the test of time" series:
- (21 Jan 2013) Mediator
- (18 Jan 2013) Iterator
- (17 Jan 2013) Interpreter
- (21 Nov 2012) Command, Redux
- (19 Nov 2012) Command
- (16 Nov 2012) Chain of responsibility
- (15 Nov 2012) Proxy
- (14 Nov 2012) Flyweight
- (09 Nov 2012) Façade
- (07 Nov 2012) Decorator
- (05 Nov 2012) Composite
- (02 Nov 2012) Bridge
- (01 Nov 2012) Adapter
- (31 Oct 2012) Singleton
- (29 Oct 2012) Prototype
- (26 Oct 2012) Factory Method
- (25 Oct 2012) Builder
- (24 Oct 2012) A modern alternative to Abstract Factory–filtered dependencies
- (23 Oct 2012) Abstract Factory
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