> The only case where it returns (None, None) are those when it detects non-mono...

leni536 25 days ago | parent | context | favorite | on: my-new-rust-binary-search

> The only case where it returns (None, None) are those when it detects non-monotonicity in your predicate (returning false when a lower input returned true). So if you know your predicate is monotonic, feel free to hit this case with a panic!("should never happen").

Empty range?

edflsafoiewq 25 days ago [–]

No such thing, the range is inclusive of the l and r endpoints.