Class: Gpa::Grade

Inherits:
String
  • Object
show all
Defined in:
lib/gpa/course.rb

Constant Summary collapse

UNIVERSITY_OF_ALBERTA_GRADE_TO_POINTS =

Returns University of Alberta grade to grade points hash.

Returns:

  • (Hash<String, Numeric>) —

    University of Alberta grade to grade points hash.

{
  'A+' => 4.0,
  'A' => 4.0,
  'A-' => 3.7,
  'B+' => 3.3,
  'B' => 3.0,
  'B-' => 2.7,
  'C+' => 2.3,
  'C' => 2.0,
  'C-' => 1.7,
  'D+' => 1.3,
  'D' => 1.0,
  'F' => 0.0
}

Instance Method Summary collapse

Instance Method Details

#has_points? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gpa/course.rb', line 28

def has_points?
  !UNIVERSITY_OF_ALBERTA_GRADE_TO_POINTS[self].nil?
end

#points ⇒ Object 



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# File 'lib/gpa/course.rb', line 20

def points
  points_ = UNIVERSITY_OF_ALBERTA_GRADE_TO_POINTS[self]
  unless points_
    raise StandarError.new("Grade of \"#{self}\" has no point value!")
  end
  points_
end