Expand description
Compile an expression into a Hyperscan database.
Examples
let db: BlockDatabase = compile(r"/foo(bar)?/i").unwrap();
let mut s = db.alloc_scratch().unwrap();
let mut matches = vec![];
db.scan("hello foobar!", &mut s, |_, from, to, _| {
matches.push(from..to);
Matching::Continue
}).unwrap();
assert_eq!(matches, vec![0..9, 0..12]);