11.7 compose tests
11.7 compose tests
chapter 11 exercises and tests
test for Monad identity laws
chapter 11 exercises and tests
chapter 11 exercises and tests
chapter 11 exercises and tests
chapter 11 exercises and tests
chapter 11 exercises and tests
chapter 11 exercises and tests
chapter 11 exercises and tests
chapter 11 exercises and tests
chapter 11 exercises and tests
chapter 11 exercises and tests