====== Pure Function ======
[[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]]

**Pure_function** is a **function** that depends only on its declared input parameters and its algorithm to produce its output. It does not read any other values from “the outside world” — the world outside of the function’s scope — and it does not modify any values in the outside world.

Source: [[https://alvinalexander.com/scala/fp-book/definition-of-pure-function/ ]]


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