Programming Language starting with "U"

Jacob Fugal lukfugl at
Mon Aug 1 09:40:36 MDT 2005

On 7/31/05, Levi Pearson <levi at> wrote:
> If obfuscated languages count, there's also Unlambda, which is a
> truly perverse thing:  A lambda calculus missing the lambda
> operator.  Hans was telling me that one of the Fugal clan (can't
> remember who, sorry) recently wrote an Unlambda interpreter in a few
> lines of Ruby.

That was me. For just the core interpreter (no error checking, no
reading of input), it's 16 lines. For the entire script (with error
checking, reading input from STDIN) it's 21 lines.

Jacob Fugal

More information about the PLUG mailing list