Obj.Extension\_constructor(3) OCaml library Obj.Extension\_constructor(3)

# [NAME](#NAME)

Obj.Extension\_constructor - no description

# [Module](#Module)

Module Obj.Extension\_constructor

# [Documentation](#Documentation)

Module **Extension\_constructor**  
: **sig end**

*type t* = **extension\_constructor**

*val of\_val* : **'a -> t**

*val name* : **t -> string**

*val id* : **t -> int**

2026-10-27 OCamldoc

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Document: Obj.Extension_constructor(3o) from ocaml-4 4.14.4-r4 (Chainguard OS)
Source: https://github.com/ocaml/ocaml