Haskell (lambda) coffee mug for developers Great quality mug with the haskell programming logo on it. Haskell is a purely functional programming language named after the mathematician Haskell Brooks Curry whose work has been a foundation for functional programming languages.  This mug is sturdy and glossy with a vivid print that'll withstand the microwave and dishwasher. Ceramic Dishwasher and microwave safe... Read more