# Nullable with an unknown type

**URL:** <https://discourse.julialang.org/t/nullable-with-an-unknown-type/3078>\
**Category:** General Usage\
**Created:** [April 6, 2017, 12:43am UTC](https://discourse.julialang.org/t/nullable-with-an-unknown-type/3078 "2017-04-06T00:43:48Z")\
**Posts on this page:** 1\
**Showing post:** 2

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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:** [April 6, 2017, 5:29am UTC](https://discourse.julialang.org/t/nullable-with-an-unknown-type/3078/2 "2017-04-06T05:29:42Z")

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See [this discussion](https://discourse.julialang.org/t/combinators-on-nullables/1481/7), especially the end. TL;DR: your best bet now is to rely on the type inference of the compiler (as you do above), but this may change in the future.

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_[View the full topic](https://discourse.julialang.org/t/nullable-with-an-unknown-type/3078)._