HOC: A Haskell to Objective-C Binding
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Screenshots

A Text Editor

Here's the canonical GUI text editor application, implemented in about 50 lines of Haskell code.

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Class Browser

This is a small program that comes with HOC which shows you the list of all known Objective-C selectors (method names). It shows you the selector in both Objective-C and Haskell syntax, the type of the Haskell function produced, and what class (and thus the Haskell module) the selector is defined in. This program's approximately 200 lines of code.

(Click to enlarge.)

A Calculator

Here's a small application which allows you to enter in arithmetic expressions (e.g. 2+5 or 69*33/3+15) and will calculate the final result. The full program is about 75 lines long: about 25 lines for the expression parsing code, and ~50 lines for the GUI.

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