Print.ExprConciseParamval bypass : 
  Stdlib.Format.formatter ->
  (('a, 'a, 't) Shared_ast__.Definitions.base_gexpr,
    't Shared_ast__.Definitions.mark)
    Catala_utils.Mark.ed ->
  boolcan be used to customise printing of any specific nodes or subtrees: will cancel normal printing upon returning true.
val var : 
  Stdlib.Format.formatter ->
  (('a, 'a, 't) Shared_ast__.Definitions.base_gexpr,
    't Shared_ast__.Definitions.mark)
    Catala_utils.Mark.ed
    Var.t ->
  unitval pre_map : 
  (('a, 'a, 't) Shared_ast__.Definitions.base_gexpr,
    't Shared_ast__.Definitions.mark)
    Catala_utils.Mark.ed ->
  (('a, 'a, 't) Shared_ast__.Definitions.base_gexpr,
    't Shared_ast__.Definitions.mark)
    Catala_utils.Mark.edpre-processing on expressions: can be used to skip log calls, etc.