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Parameter `MakeBackendIO.B`

The Catala compiler
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- Library catala.dcalc
  - Dcalc
- Library catala.desugared
  - Desugared
- Library catala.driver
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- Library catala.lcalc
  - Lcalc
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- Library catala.scalc
  - Scalc
- Library catala.scopelang
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- Library catala.surface
  - Surface
- Library catala.utils
  - Utils
- Library catala.verification
  - Verification
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val init_backend : unit -> unit

type backend_context

val make_context : 
  Dcalc.Ast.decl_ctx ->
  Dcalc.Ast.typ Utils.Pos.marked Dcalc.Ast.VarMap.t ->
  backend_context

type vc_encoding

val print_encoding : vc_encoding -> string

type model

type solver_result =

| ProvenTrue
| ProvenFalse of model option
| Unknown

val solve_vc_encoding : backend_context -> vc_encoding -> solver_result

val print_model : backend_context -> model -> string

val is_model_empty : model -> bool

val translate_expr : 
  backend_context ->
  Dcalc.Ast.expr Utils.Pos.marked ->
  backend_context * vc_encoding