package opam-solver

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package opam-solver

opam-solver
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- OpamSolverConfig

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Library
Module
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Parameter
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Class type

Configuration options for the solver lib (record, global reference, setter, initialisation)

type t = private {

cudf_file : string option;
solver : (module OpamCudfSolver.S) Stdlib.Lazy.t;
best_effort : bool;
solver_preferences_default : string option Stdlib.Lazy.t;
solver_preferences_upgrade : string option Stdlib.Lazy.t;
solver_preferences_fixup : string option Stdlib.Lazy.t;
solver_preferences_best_effort_prefix : string option Stdlib.Lazy.t;
solver_timeout : float option;
solver_allow_suboptimal : bool;

}

type 'a options_fun =
  ?cudf_file:string option ->
  ?solver:(module OpamCudfSolver.S) Stdlib.Lazy.t ->
  ?best_effort:bool ->
  ?solver_preferences_default:string option Stdlib.Lazy.t ->
  ?solver_preferences_upgrade:string option Stdlib.Lazy.t ->
  ?solver_preferences_fixup:string option Stdlib.Lazy.t ->
  ?solver_preferences_best_effort_prefix:string option Stdlib.Lazy.t ->
  ?solver_timeout:float option ->
  ?solver_allow_suboptimal:bool ->
  'a

include OpamStd.Config.Sig
  with type t := t
   and type 'a options_fun := 'a options_fun

val default : t

The default values of the options to use at startup

val set : t -> (unit -> t) options_fun

Use to update any option in a t, using the optional arguments of options_fun. E.g. set opts ?option1:1 ?option4:"x" ()

val setk : (t -> 'a) -> t -> 'a options_fun

Same as set, but passes the result to a continuation, allowing argument stacking

val r : t Stdlib.ref

The global reference containing the currently set library options. Access using OpamXxxConfig.(!r.field).

val update : ?noop:_ -> (unit -> unit) options_fun

Updates the currently set options in r according to the optional arguments

val init : ?noop:_ -> (unit -> unit) options_fun

Sets the options, reading the environment to get default values when unspecified

val initk : 'a -> 'a options_fun

Sets the options like init, but returns the given value (for arguments stacking)

val call_solver : 
  criteria:string ->
  Cudf.cudf ->
  Cudf.preamble option * Cudf.universe

val best_effort : unit -> bool

Checks if best_effort was set and is supported

val criteria : OpamTypes.solver_criteria -> string