Scalc.To_javaFormats a lambda calculus program into a valid Java program
val renaming : Shared_ast.Renaming.tval format_program : 
  class_name:string ->
  Catala_utils.File.t option ->
  Stdlib.Format.formatter ->
  Ast.program ->
  unitUsage format_program ~class_name file ppf p where class_name must be a valid Java identifier.