# \#negative-arity

**URL:** https://discuss.ocaml.org/tag/negative-arity/516.md

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## [How to understand negative arity?](https://discuss.ocaml.org/t/how-to-understand-negative-arity/9608)

<div class="topic-metadata">

**Author:** [@YueLiPicasso](https://discuss.ocaml.org/u/YueLiPicasso)\
**Replies:** 2\
**Last updated:** [March 30, 2022, 9:02am UTC](https://discuss.ocaml.org/t/how-to-understand-negative-arity/9608 "2022-03-30T09:02:51Z")

</div>

Inspecting the runtime representation (compiled with ocamlopt) of let triple\_sum (x,y,z) = x + y + z I got the data below. OCaml object: 0X0000563E4A1190E8 is a block with header: 0X0000000000000FF7 with nu…