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# Monad for dummies - Gina Peter Banyard

Discover the world of monads in a simple and easy-to-understand manner. Learn how monads can help manage state and side effects, handle errors, and create compositional code in functional programming.

- A monad is a structure that combines functions with one parameter set to two, allowing them to be composed together in a predictable way.
- Monads are not just about error handling, but also about creating a way to manage state and side effects in a functional programming way.
- The Maybe monad is a basic example of a monad that represents the possibility of a value not being present.
- The IDA monad is another example of a monad that represents two values, one for each side of the monad.
- A functor is a type that can be mapped over, allowing functions to be applied to its values.
- A bind function is a key part of a monad, allowing the monad to be composed with other functions.
- Monads can be used to handle errors in a predictable way, by wrapping the result of a function in a monad and then binding it to a success or failure handler.
- Monads can also be used to create a way to manage state and side effects in a functional programming way, by wrapping the state and side effects in a monad and then binding them to a function.
- A category is a way to classify things, such as types in PHP.
- A category can be used to define a way to map values from one type to another, allowing functions to be composed together in a predictable way.
- Monads are a way to work with categories in a functional programming way, by creating a way to manage state and side effects and handle errors in a predictable way.
- Functional programming is a way of programming that focuses on the use of pure functions, immutability, and the avoidance of side effects.
- PHP is an example of a language that is not naturally functional, but can still be used to program functionally.
- The Maybe monad is used in PHP to handle the possibility of a value not being present.
- The IDA monad is used in PHP to handle two values that are related, such as the left and right sides of a monad.
- The bind function is used in PHP to compose monads together in a predictable way.
- Monads can be used to handle errors in PHP by wrapping the result of a function in a monad and then binding it to a success or failure handler.
- Monads can also be used to create a way to manage state and side effects in PHP, by wrapping the state and side effects in a monad and then binding them to a function.