1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
//
// Copyright 2019-2020 Hans W. Uhlig, Richard I. Christopher. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

use crate::types::{Interval, Interval::*, MajorQuality::*, PerfectQuality::*};

#[derive(Copy, Clone, Debug)]
pub enum OctatonicSequence {
    DominantBebop,
}

impl OctatonicSequence {
    pub fn intervals(&self) -> &'static [Interval; 8] {
        match *self {
            OctatonicSequence::DominantBebop => &OCTATONIC_DOMINANT_BEBOP,
        }
    }
}

/// -- Eight Note Sequence --
const OCTATONIC_DOMINANT_BEBOP: [Interval; 8] = [
    First(Perfect),
    Second(Major),
    Third(Major),
    Fourth(Perfect),
    Fifth(Perfect),
    Sixth(Major),
    Seventh(Minor),
    Seventh(Major),
];