> I thought (from what I've read so far) that "no mutable state" is the definition of "pure FP". It's much more nuanced than that, certainly no arbitrary and u

> I thought (from what I've read so far) that "no mutable state" is the definition of "pure FP". It's much more nuanced than that, certainly no arbitrary and unchecked mutable state is. There are ways though of achieving mutable state whilst maintaining referential transparency.