Class: Dieses::Support::Ruler

Inherits:
Object
  • Object
show all
Defined in:
lib/dieses/support/ruler.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(unit, multiple = 1) ⇒ Ruler

Returns a new instance of Ruler.



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# File 'lib/dieses/support/ruler.rb', line 17

def initialize(unit, multiple = 1)
  @unit = unit.to_f
  @multiple = multiple.to_f
end

Instance Attribute Details

#multiple ⇒ Object (readonly)

Returns the value of attribute multiple.



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# File 'lib/dieses/support/ruler.rb', line 15

def multiple
  @multiple
end

#unit ⇒ Object (readonly)

Returns the value of attribute unit.



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# File 'lib/dieses/support/ruler.rb', line 15

def unit
  @unit
end

Class Method Details

.call(unit, multiple = 1) ⇒ Object 



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# File 'lib/dieses/support/ruler.rb', line 6

def self.call(unit, multiple = 1)
  new unit, (multiple || 1)
end

.divide(unit:, multiple:, length:) ⇒ Object 



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# File 'lib/dieses/support/ruler.rb', line 10

def self.divide(unit:, multiple:, length:)
  ruler = new(unit, multiple)
  [ruler.division(length), ruler.even(length)]
end

Instance Method Details

#division(length) ⇒ Object 



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# File 'lib/dieses/support/ruler.rb', line 30

def division(length)
  (length / major).to_i.to_f
end

#even(length) ⇒ Object 



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# File 'lib/dieses/support/ruler.rb', line 26

def even(length)
  major * division(length)
end

#major ⇒ Object 



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# File 'lib/dieses/support/ruler.rb', line 22

def major
  @major ||= multiple * unit
end

#measure(n) ⇒ Object 



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# File 'lib/dieses/support/ruler.rb', line 34

def measure(n)
  n * unit
end