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by rlmark 1653 days ago
Hi there, the other article author chiming in here! You can perform side effects in Unison via abilities (our name for algebraic effects) - they're described here: https://www.unisonweb.org/docs/abilities/

Some basic IO functionality is supported by the `base` library (the standard lib) which contains functions like `openFile` which are effectful functions expressed in terms of the `IO` ability.