Method expect_while

crates/hll-to-ir/src/parser.rs:1677–1683

(&mut self)

                    }

                    // Consume the closing bracket
                    if self.pending_gt_from_shr {
                        // We have a pending virtual >
                        self.pending_gt_from_shr = false;
                    } else if self.match_gt() {
                        // Simple case: plain >
                    } else if matches!(self.peek(), Some(Token::Shr | Token::Gte)) {
                        // In nested generic, >> and >= both contain a closing >
                        // Consume and set flag for virtual second >
                        self.advance();