Comment by calibraxis

Interesting, there's a researcher by the name of John Shutt who in said "I suspect them of offering fundamentally greater abstractive power than any other programming language feature yet devised" in 2009. http://lambda-the-ultimate.org/node/3640#comment-51563

This is his language which supports FEXPRs: http://web.cs.wpi.edu/~jshutt/kernel.html