# \`(x, y)\` works but \`x =\> y\` doesn't

**URL:** <https://discourse.julialang.org/t/x-y-works-but-x-y-doesnt/62703>\
**Category:** General Usage\
**Created:** [June 10, 2021, 9:09pm UTC](https://discourse.julialang.org/t/x-y-works-but-x-y-doesnt/62703 "2021-06-10T21:09:06Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![Jeff\_Emanuel](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jeff_emanuel/32/15440_2.png) [@Jeff\_Emanuel](https://discourse.julialang.org/u/Jeff_Emanuel)\
**Post date:** [June 10, 2021, 11:05pm UTC](https://discourse.julialang.org/t/x-y-works-but-x-y-doesnt/62703/6 "2021-06-10T23:05:55Z")

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> [@Samuel\_Ainsworth](#):
>
> At the risk of getting sidetracked, why does Julia have redundant `Pair` and tuple constructs?

See [`Pair{A,B}` vs. `Tuple{A,B}` - #5 by Tamas\_Papp](https://discourse.julialang.org/t/pair-a-b-vs-tuple-a-b/942/5) and links therein.

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