package ocaml-compiler

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in-package search v0.2.0

Official release of OCaml 5.3.0

Install

Dune Dependency

ocaml.org Edit opam file Versions (9)

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Sources

ocaml-5.3.0.tar.gz

sha256=22c1dd9de21bf43b62d1909041fb5fad648905227bf69550a6a6bef31e654f38

doc/compiler-libs.common/Subst/Unsafe/index.html

Module `Subst.Unsafe`

type t = unsafe subst

Unsafe substitutions introduced by with constraints, local substitutions (type t := int * int) or recursive module check.

val add_modtype : Ident.t -> Types.module_type -> 'any subst -> t

Replacing a module type name S by a non-path signature is unsafe as the packed module type (module S) becomes ill-formed.

val add_modtype_path : Path.t -> Types.module_type -> 'any subst -> t

val add_type_path : Path.t -> Path.t -> t -> t

Deep editing inside a module type require to retypecheck the module, for applicative functors in path and module aliases.

val add_type_function : 
  Path.t ->
  params:Types.type_expr list ->
  body:Types.type_expr ->
  t ->
  t

val add_module_path : Path.t -> Path.t -> t -> t

type error =

| Fcm_type_substituted_away of Path.t * Types.module_type

type 'a res := ('a, error) result

val type_declaration : 
  t ->
  Types.type_declaration ->
  Types.type_declaration res

val signature_item : 
  scoping ->
  t ->
  Types.signature_item ->
  Types.signature_item res

val signature : scoping -> t -> Types.signature -> Types.signature res

val compose : t -> t -> t res

Composition of substitutions is eager and fails when the two substitution are incompatible, for example module type t := sig end is not compatible with module type s := sig type t=(module t) end