# Core.tuple() warntype

**URL:** https://discourse.julialang.org/t/core-tuple-warntype/33375
**Category:** Performance
**Created:** [January 15, 2020, 2:15am UTC](https://discourse.julialang.org/t/core-tuple-warntype/33375 "2020-01-15T02:15:16Z")
**Posts on this page:** 1
**Showing post:** 17

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### Author: ![Tamas\_Papp](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/tamas_papp/32/25949_2.png) [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)
#### Post date: [January 16, 2020, 5:01pm UTC](https://discourse.julialang.org/t/core-tuple-warntype/33375/17 "2020-01-16T17:01:41Z")

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See

[https://docs.julialang.org/en/v1/devdocs/functions/#Compiler-efficiency-issues-1](https://docs.julialang.org/en/v1/devdocs/functions/#Compiler-efficiency-issues-1)

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