package coq-core

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package coq-core
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exception NotConvertible
type 'a kernel_conversion_function = Environ.env -> 'a -> 'a -> unit
type 'a extended_conversion_function = ?l2r:bool -> ?reds:TransparentState.t -> Environ.env -> ?evars:Constr.constr Constr.evar_handler -> 'a -> 'a -> unit
type conv_pb =
  1. | CONV
  2. | CUMUL
type 'a universe_compare = {
  1. compare_sorts : Environ.env -> conv_pb -> Sorts.t -> Sorts.t -> 'a -> 'a;
  2. compare_instances : flex:bool -> Univ.Instance.t -> Univ.Instance.t -> 'a -> 'a;
  3. compare_cumul_instances : conv_pb -> Univ.Variance.t array -> Univ.Instance.t -> Univ.Instance.t -> 'a -> 'a;
}
type 'a universe_state = 'a * 'a universe_compare
type ('a, 'b) generic_conversion_function = Environ.env -> 'b universe_state -> 'a -> 'a -> 'b
type 'a infer_conversion_function = Environ.env -> 'a -> 'a -> Univ.Constraints.t
val get_cumulativity_constraints : conv_pb -> Univ.Variance.t array -> Univ.Instance.t -> Univ.Instance.t -> Univ.Constraints.t
val inductive_cumulativity_arguments : (Declarations.mutual_inductive_body * int) -> int
val constructor_cumulativity_arguments : (Declarations.mutual_inductive_body * int * int) -> int
val sort_cmp_universes : Environ.env -> conv_pb -> Sorts.t -> Sorts.t -> ('a * 'a universe_compare) -> 'a * 'a universe_compare
val convert_instances : flex:bool -> Univ.Instance.t -> Univ.Instance.t -> ('a * 'a universe_compare) -> 'a * 'a universe_compare
val checked_universes : UGraph.t universe_compare

This function never raise UnivInconsistency.

These two functions can only raise NotConvertible

Depending on the universe state functions, this might raise UniverseInconsistency in addition to NotConvertible (for better error messages).

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