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    lexicon-fractional-index

    an implementation of fractional index for lexicon.

    fractional-index
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    Version
    0.0.4
    License
    Apache-2.0
    Repository
    Last updated
    10 months ago
    Downloads
    39

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    #lexicon-fractional-index

    an implementation of fractional index for lexicon.

    moon add tiye/lexicon-fractional-index

    {
  "path": "tiye/lexicon-fractional-index",
  "alias": "lexicon"
}

    key_between(a, b) // generated key between a and b
    n_key_between(a, b, n) // n generated keys between a and b

    #License

    Apache 2.0

    KeyError

    source
    pub suberror KeyError String

    common error structure of lexicon order key
    impl Show for KeyError

    float64_approx

    source
    fn float64_approx(key : String) -> Double raise KeyError

    float64_approx converts a key as generated by key_between() to a float64. Because the range of keys is far larger than float64 can represent accurately, this is necessarily approximate. But for many use cases it should be, as they say, close enough for jazz.

    key_between

    source
    fn key_between(a : String?, b : String?) -> String raise KeyError

    key_between returns a key that sorts lexicographically between a and b. 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.

    n_keys_between

    source
    fn n_keys_between(a : String?, b : String?, n : Int) -> Array[String] raise KeyError

    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.

    pow

    source
    fn pow(x : Int, exp : Int) -> Int

    powf

    source
    fn powf(x : Double, exp : Int) -> Double

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