Class: Year

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/year.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(year) ⇒ Year

Returns a new instance of Year.



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# File 'lib/year.rb', line 6

def initialize(year)
  @year = year.to_i
end

Instance Attribute Details

#year ⇒ Object

Returns the value of attribute year.



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# File 'lib/year.rb', line 4

def year
  @year
end

Instance Method Details

#+(x) ⇒ Object 



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# File 'lib/year.rb', line 24

def +(x)
  if x.is_a?(Numeric)
    return self.class.new(@year + x)
  elsif x.is_a?(Year) 
    return @year + x.year
  else
    raise TypeError, 'expected numeric or year'
  end
end

#-(x) ⇒ Object 



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# File 'lib/year.rb', line 14

def -(x)
  if x.is_a?(Numeric)
    return self.class.new(@year - x)
  elsif x.is_a?(Year) 
    return @year - x.year
  else
    raise TypeError, 'expected numeric or year'
  end
end

#<=>(other) ⇒ Object 



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# File 'lib/year.rb', line 10

def <=>(other)
  self.year <=> other.year
end

#dates ⇒ Object 



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# File 'lib/year.rb', line 39

def dates; (first_date..last_date).to_a; end

#first_date ⇒ Object 



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# File 'lib/year.rb', line 41

def first_date; Date.new(year,1,1); end

#first_month ⇒ Object 



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# File 'lib/year.rb', line 36

def first_month; Month.new(year,1); end

#first_weekday ⇒ Object 



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# File 'lib/year.rb', line 46

def first_weekday; first_month.first_weekday; end

#last_date ⇒ Object 



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# File 'lib/year.rb', line 42

def last_date; Date.new(year,12,31); end

#last_month ⇒ Object 



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# File 'lib/year.rb', line 37

def last_month; Month.new(year,12); end

#last_weekday ⇒ Object 



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# File 'lib/year.rb', line 47

def last_weekday; last_month.last_weekday; end

#months ⇒ Object 



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# File 'lib/year.rb', line 34

def months; (first_month..last_month).to_a; end

#weekdays ⇒ Object 



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# File 'lib/year.rb', line 44

def weekdays; (first_weekday..last_weekday).to_a; end