Stdlib.Unit(3)

okay so we're in the OCaml library manual, and this page is Stdlib.Unit(3) — come on, bestie, it's unit type time 💅✨

💖 NAME 💖

Stdlib.Unit — literally no description, no cap 🫶

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🦋 Module 🦋

The module line is giving:

Module   Stdlib.Unit

🎀 Documentation 🎀

Under Documentation, we got Module Unit pointing at:

Module Unit
 : (module Stdlib__Unit)

🌸 The unit type 🌸

The type is exactly this, bestie:

type t = unit =
 | ()

It is The unit type. Iconic. Main character energy fr fr ✨

The constructor () is included here so that it has a path, but it is not intended to be used in user-defined data types. Like, it's there for path reasons, not for you to go build your own little data types with it 🙈

• val equal : t -> t -> bool — equal u1 u2 is true. That's it, that's the vibe ✅
• val compare : t -> t -> int — compare u1 u2 is 0. Zero. Nothing. Chill 🧊
• val to_string : t -> string — to_string b is "()". It literally turns into those two parentheses, and honestly? slay 💀

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This little page was brought to you by OCamldoc, dated 2026-06-22, for Stdlib.Unit(3) 💜🫶