> In Haskell let bindings are immutable. Haskell has mutable refs. That's what G... | Hacker News

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masklinn on Dec 9, 2017 | parent | context | favorite | on: Git is a purely functional data structure (2013)

> In Haskell let bindings are immutable.

Haskell has mutable refs. That's what Git branches are.

catnaroek on Dec 10, 2017 [–]

But the contents of a mutable ref aren't let-bound.

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