# \#warnings
**URL:** https://discuss.ocaml.org/tag/warnings/481.md
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## [Inconsistencies in dune Warnings](https://discuss.ocaml.org/t/inconsistencies-in-dune-warnings/15730)
**Author:** [@thekkid](https://discuss.ocaml.org/u/thekkid)\
**Replies:** 9\
**Last updated:** [December 3, 2024, 5:45pm UTC](https://discuss.ocaml.org/t/inconsistencies-in-dune-warnings/15730 "2024-12-03T17:45:44Z")
I have my dune-workspace configured with (dev (flags (:standard -warn-error +A-26-27-K-58)) It seems like dune is caching module builds with warnings so subsequent rebuilds aren’t showing warnings i.e. warnings a…
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## [Compiler question: Why can't I mix optional and labelled arguments without getting an erasure warning?](https://discuss.ocaml.org/t/compiler-question-why-cant-i-mix-optional-and-labelled-arguments-without-getting-an-erasure-warning/8817)
**Author:** [@rbjorklin](https://discuss.ocaml.org/u/rbjorklin)\
**Replies:** 1\
**Last updated:** [November 15, 2021, 1:39am UTC](https://discuss.ocaml.org/t/compiler-question-why-cant-i-mix-optional-and-labelled-arguments-without-getting-an-erasure-warning/8817 "2021-11-15T01:39:39Z")
I like labels as I find they help me read and make sense of function signatures. Unfortunately trying to mix optional arguments with labelled ones throws this compiler warning: Common Error Messages · OCaml Tutorials I …
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## [Troubles using alerts](https://discuss.ocaml.org/t/troubles-using-alerts/8803)
**Author:** [@Kakadu](https://discuss.ocaml.org/u/Kakadu)\
**Replies:** 1\
**Last updated:** [November 13, 2021, 6:45am UTC](https://discuss.ocaml.org/t/troubles-using-alerts/8803 "2021-11-13T06:45:38Z")
I’m trying to use alerts to report non-implemented functions as warnings. But my alerts are not shown during compilation. (I think any alerts are not shown on compilation) Where could be an issue? \[@@@alert unsafe "This…