Tuesday, January 03, 2006

An interesting article on API design

When we create software for an end user, we ensure a good user experience by designing a simple, usable, and efficient user interface. When we create a library or an API we must ensure a good user experience by making it simple to understand, efficient to use, and resilient to future changes. Some very basic principles that provide a good guide for creating an API. Some principles are:
  • Design to evolve.

  • Correctness, then simplicity, then efficiency.

  • Interfaces are overvalued.

  • Be careful with packages.

These principles have been borrowed from a blog posted on Artima.com. You can read it here.


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