Tom Schrijvers - Fusion for Free: Efficient Algebraic Effect HandlersNicolas Wu and Tom Schrijvers. MPC 2015. 2015. AbstractAlgebraic effect handlers are a recently popular approach for modelling side-effects that separates the syntax and semantics of effectful operations. The shape of syntax is captured by functors, and free monads over these functors denote syntax trees. The semantics is captured by algebras, and effect handlers pass these over the syntax trees t
