pub fn parse_pigeonhole_spec(spec: &str) -> Option<PigeonSpec>Expand description
Parse a spec of the form (a single pigeons: N line; comments and blanks ignored):
## Pigeonhole
pigeons: 6Returns None unless there is exactly a well-formed pigeons: count within 2..=20, so other
Hardware-mode inputs (SVA English, Verilog, register specs) are never hijacked.