# Grammar liberalizations

**URL:** <https://internals.rust-lang.org/t/grammar-liberalizations/7170>\
**Category:** Uncategorized\
**Created:** [March 28, 2018, 6:56pm UTC](https://internals.rust-lang.org/t/grammar-liberalizations/7170 "2018-03-28T18:56:39Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![josh](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/josh/32/5934_2.png) [@josh](https://internals.rust-lang.org/u/josh)\
**Post date:** [March 29, 2018, 1:23pm UTC](https://internals.rust-lang.org/t/grammar-liberalizations/7170/12 "2018-03-29T13:23:44Z")

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I’ve heard multiple experienced Haskell programmers say “this is a thing we do because we can’t use trailing commas”.

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_[View the full topic](https://internals.rust-lang.org/t/grammar-liberalizations/7170)._