Have a look at the video. Having immutable values doesn't mean you have immutabl... | Hacker News

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valw on Aug 30, 2017 | parent | context | favorite | on: What makes a good REPL?

Have a look at the video. Having immutable values doesn't mean you have immutable variables / names.

junke on Aug 30, 2017 [–]

I know, the parent post was saying "you could just store your modified state to new variables", not replace what existing variables are bound to.

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