module Flx_tconstraint:sig
..end
val build_type_constraints : Flx_mtypes2.sym_state_t ->
(Flx_ast.typecode_t -> Flx_types.btypecode_t) ->
Flx_ast.range_srcref ->
(string * int * Flx_ast.tpattern_t) list -> Flx_types.btypecode_t