Ast\_helper.Sig(3) OCaml library Ast\_helper.Sig(3)

# [NAME](#NAME)

Ast\_helper.Sig - Signature items

# [Module](#Module)

Module Ast\_helper.Sig

# [Documentation](#Documentation)

Module **Sig**  
: **sig end**

Signature items

*val mk* : **?loc:Ast\_helper.loc ->** **Parsetree.signature\_item\_desc -> Parsetree.signature\_item**

*val value* : **?loc:Ast\_helper.loc ->** **Parsetree.value\_description -> Parsetree.signature\_item**

*val type\_* : **?loc:Ast\_helper.loc ->** **Asttypes.rec\_flag ->** **Parsetree.type\_declaration list -> Parsetree.signature\_item**

*val type\_subst* : **?loc:Ast\_helper.loc ->** **Parsetree.type\_declaration list -> Parsetree.signature\_item**

*val type\_extension* : **?loc:Ast\_helper.loc -> Parsetree.type\_extension -> Parsetree.signature\_item**

*val exception\_* : **?loc:Ast\_helper.loc -> Parsetree.type\_exception -> Parsetree.signature\_item**

*val module\_* : **?loc:Ast\_helper.loc ->** **Parsetree.module\_declaration -> Parsetree.signature\_item**

*val mod\_subst* : **?loc:Ast\_helper.loc ->** **Parsetree.module\_substitution -> Parsetree.signature\_item**

*val rec\_module* : **?loc:Ast\_helper.loc ->** **Parsetree.module\_declaration list -> Parsetree.signature\_item**

*val modtype* : **?loc:Ast\_helper.loc ->** **Parsetree.module\_type\_declaration -> Parsetree.signature\_item**

*val modtype\_subst* : **?loc:Ast\_helper.loc ->** **Parsetree.module\_type\_declaration -> Parsetree.signature\_item**

*val open\_* : **?loc:Ast\_helper.loc -> Parsetree.open\_description -> Parsetree.signature\_item**

*val include\_* : **?loc:Ast\_helper.loc ->** **Parsetree.include\_description -> Parsetree.signature\_item**

*val class\_* : **?loc:Ast\_helper.loc ->** **Parsetree.class\_description list -> Parsetree.signature\_item**

*val class\_type* : **?loc:Ast\_helper.loc ->** **Parsetree.class\_type\_declaration list -> Parsetree.signature\_item**

*val extension* : **?loc:Ast\_helper.loc ->** **?attrs:Ast\_helper.attrs -> Parsetree.extension -> Parsetree.signature\_item**

*val attribute* : **?loc:Ast\_helper.loc -> Parsetree.attribute -> Parsetree.signature\_item**

*val text* : **Docstrings.text -> Parsetree.signature\_item list**

2026-10-01 OCamldoc

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Document: Ast_helper.Sig(3o) from ocaml 5.5.1-r1 (Chainguard OS)
Source: https://github.com/ocaml/ocaml