Functional Programming Jargons

The whole idea of this repos is to try and define jargons from combinatorics and category theory jargons that are used in functional programming in a easier fashion.

Let's try and define these with examples, this is a WIP please feel free to send PR ;)

Arity

The number of arguments a function takes.

const sum = (a, b) => a + b;

const arity = sum.length;
console.log(arity);
// => 2
// The arity of sum is 2

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Applicative Functor

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Partial Application

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Currying

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Purity

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Side effects

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Idempotency

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Referential Transparency

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Monoid

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Monad

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Functor

Structure that can be mapped over.

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Morphism

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