This puzzle is an interactive Coding Duel.
Can you write code that matches a secret implementation? Other people have already won this Duel 28 times!
module Program // Can you write code to solve the puzzle? Ask Pex to see how close you are. let Puzzle (s : string) : string = s
Coding Duel Name:
© 2016 Microsoft - Pex v0.94 - .NET v4 -