package ocaml-compiler

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Official release of OCaml 5.3.0

Install

Dune Dependency

ocaml.org Edit opam file Versions (9)

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ocaml-5.3.0.tar.gz

sha256=22c1dd9de21bf43b62d1909041fb5fad648905227bf69550a6a6bef31e654f38

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)