class Mystic::Util

• Mystic::Util
• Reference
• Object

Overview

Miscellaneous utility methods

Defined in:

mystic/util.cr

Constant Summary

ACCIDENTAL_OFFSETS = {"#": 1, x: 2, b: -1, "♯": 1, "♭": -1, "𝄫": -2, "𝄪": 2}

PERFECT_INTERVALS = [1, 4, 5, 8]

Class Method Summary

• .accidental_offset(accidental : String) : Int32

  Return the number of alterations given an accidental

• .normalize_accidental(accidental_offset : Int32) : String

  Return the proper accidental given a numerical accidental_offset

• .offset_to_quality(offset : Int32, is_perfect : Bool) : String

  Return a quality corresponding to the offset (number of alterations) and whether it is_perfect

• .perfect?(number : Int32) : Bool

  Return if given number is a perfect interval

Class Method Detail