- Characteristics:
- Discipline and idea
- Mathematics and the theory of functions
- The values produced are
*non-mutable*- Impossible to change any constituent of a composite value
- As a remedy, it is possible to make a revised copy of composite value
- Atemporal
- Time only plays a minor role compared to the imperative paradigm
- Applicative
- All computations are done by applying (calling) functions
- The natural abstraction is the function
- Abstracts a single expression to a function which can be evaluated as an expression
- Functions are first class values
- Functions are full-fledged data just like numbers, lists, ...
- Fits well with computations driven by needs
- Opens a new world of possibilities
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