# \#evaluation

**URL:** https://forum.canton.network/tag/evaluation/148.md

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## [An endless list makes the REPL work for a long time and this is intentional (updated title)](https://forum.canton.network/t/an-endless-list-makes-the-repl-work-for-a-long-time-and-this-is-intentional-updated-title/2116)

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**Author:** [@gyorgybalazsi](https://forum.canton.network/u/gyorgybalazsi)\
**Replies:** 11\
**Last updated:** [February 19, 2021, 2:15pm UTC](https://forum.canton.network/t/an-endless-list-makes-the-repl-work-for-a-long-time-and-this-is-intentional-updated-title/2116 "2021-02-19T14:15:04Z")

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In Haskell, because of lazy evaluation, this is a legitimate expression: Daml doesn’t have lazy evaluation, as I was told recently. The same expression sends the REPL into an infinite loop: Is that intentional? (My…