Other uses for lenses

Whilst the example shown here are relatively trivial, you could create a much more complex lens.

Lenses are used for rendering and interacting with data in specialised ways. You could for example create a translation lens, which shows a piece of text in an alternate language.

More sophisticated lenses might be used for editing text, or for painting, or for modifying bitmap data. Instead of constantly switching between large applications and using the Import/Export options to move data between the applications, you simply pick up the relevant lens and slide it into place.

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