Function lexicon_fractional_index::n_keys_between[][src]

pub fn n_keys_between(
    a: &Option<String>,
    b: &Option<String>,
    n: usize
) -> Result<Vec<String>, String>
Expand description

n_keys_between returns n keys between a and b that sorts lexicographically. Either a or b can be empty strings. If a is empty it indicates smallest key, If b is empty it indicates largest key. b must be empty string or > a.