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Contents
# frozen_string_literal: true
module Coltrane
# It describe the quality of a chord, like maj7 or dim.
class ChordQuality < IntervalSequence
attr_reader :name
include Qualities
def initialize(name: nil, notes: nil)
if !name.nil?
raise ChordNotFoundError unless (intervals = CHORD_QUALITIES[name])
@name = name
super(intervals: intervals)
elsif !notes.nil?
super(notes: notes)
@name = CHORD_QUALITIES.key(intervals_semitones)
else
raise WrongKeywordsError, '[name:] || [notes:]'
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems