fact: Definition step_option_rec {T} (is_valid_nonterminal : list nat -> nat -> bool) (len0 valid_len0 : nat) (parse_nt : forall len0' valid_len : nat, Wf.prod_relation lt lt (len0', valid_len) (len0, valid_len0) -> list nat -> nat -> forall len : nat, len <= len0' -> nat -> T) (G_length : nat) (up_to_G_length : list nat) (valids : list nat) (offset len : nat) (nt : nat) : option (nat -> nat -> nat -> T).
imports: Fiat.Parsers.Reflective.Syntax Fiat.Parsers.Reflective.ParserSyntax Fiat.Parsers.Reflective.Semantics Fiat.Parsers.Splitters.RDPList Fiat.Parsers.GenericRecognizer Fiat.Common.Wf Fiat.Common.Wf2 Coq.Arith.PeanoNat