package ocaml-compiler

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in-package search v0.2.0

First release candidate of OCaml 5.4.0

Install

dune-project

Dependency

ocaml.org Edit opam file Versions (18)

Authors

Maintainers

Sources

5.4.0-rc1.tar.gz

sha256=14b9ef4408d8347d56eec02dbf4818669d903e624627de21e885cb951308e5de

doc/compiler-libs.common/Typetexp/TyVarEnv/index.html

Module `Typetexp.TyVarEnv`

val reset : unit -> unit

removes all type variables from scope

val with_local_scope : (unit -> 'a) -> 'a

Evaluate in a narrowed type-variable scope

type poly_univars

val make_poly_univars : string list -> poly_univars

remember that a list of strings connotes univars; this must always be paired with a check_poly_univars.

val check_poly_univars : 
  Env.t ->
  Location.t ->
  poly_univars ->
  Types.type_expr list

Verify that the given univars are universally quantified, and return the list of variables. The type in which the univars are used must be generalised

val instance_poly_univars : 
  Env.t ->
  Location.t ->
  poly_univars ->
  Types.type_expr list

Same as check_poly_univars, but instantiates the resulting type scheme (i.e. variables become Tvar rather than Tunivar)