Class: Sudoku::SolutionSet::Constraints::BoxMustContainValue

Inherits:

Object

Object
Sudoku::SolutionSet::Constraints::BoxMustContainValue

Defined in:: lib/sudoku/solution_set/constraints/box_must_contain_value.rb

Instance Method Summary collapse

#initialize(box_x, box_y, value) ⇒ BoxMustContainValue constructor

A new instance of BoxMustContainValue.
#satisfied_by?(choice) ⇒ Boolean

Constructor Details

#initialize(box_x, box_y, value) ⇒ `BoxMustContainValue`

Returns a new instance of BoxMustContainValue.



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# File 'lib/sudoku/solution_set/constraints/box_must_contain_value.rb', line 5

def initialize(box_x, box_y, value)
  @box_x, @box_y, @value = box_x, box_y, value
end

Instance Method Details

#satisfied_by?(choice) ⇒ `Boolean`

Returns:

(Boolean)

# File 'lib/sudoku/solution_set/constraints/box_must_contain_value.rb', line 9

def satisfied_by?(choice)
  choice.column.between?(@box_x * 3 - 2, @box_x * 3) &&
    choice.row.between?(@box_y * 3 - 2, @box_y * 3) &&
    choice.value == @value
end