4DL

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4DL, which stands for 4 Dimensional Language, is an esoteric programming language designed by Cliff L. Biffle. 4DL programs exist in four-dimensional space. They are based around a single stack.

An interpreter, written by Bernhard Stoeckner, is available. See external resources.

External resources

• 4DL website (from the Wayback Machine; retrieved on 22 December 2008)
• 4DL interpreter by Bernhard Stoeckner (from the Wayback Machine; retrieved on 3 August 2008)