Class: Gobstones::Lang::Number

Inherits:
Literal show all
Defined in:
lib/gobstones/lang/literals/number.rb

Constant Summary

Constants inherited from Literal

Literal::OPERATORS_MAPPING

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Literal

#<=>, #evaluate, #if_false, #if_true, #not, #same_type_as, #true?

Methods inherited from Expression

#evaluate, #is_function_call?

Methods included from EqualityDefinition

#equality_attributes

Constructor Details

#initialize(num) ⇒ Number

Returns a new instance of Number.



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# File 'lib/gobstones/lang/literals/number.rb', line 8

def initialize(num)
  @value = num
end

Instance Attribute Details

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/gobstones/lang/literals/number.rb', line 6

def value
  @value
end

Instance Method Details

#<(other) ⇒ Object 



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# File 'lib/gobstones/lang/literals/number.rb', line 16

def <(other)
  value < other.value
end

#==(other) ⇒ Object 



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# File 'lib/gobstones/lang/literals/number.rb', line 12

def ==(other)
  super(other) && value == other.value
end

#next ⇒ Object 



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# File 'lib/gobstones/lang/literals/number.rb', line 38

def next
  self.class.new(value + 1)
end

#opposite ⇒ Object 



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# File 'lib/gobstones/lang/literals/number.rb', line 30

def opposite
  self.class.new(-value)
end

#previous ⇒ Object 



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# File 'lib/gobstones/lang/literals/number.rb', line 34

def previous
  self.class.new(value - 1)
end

#return_type ⇒ Object 



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# File 'lib/gobstones/lang/literals/number.rb', line 20

def return_type
  :Number
end

#to_s ⇒ Object 



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# File 'lib/gobstones/lang/literals/number.rb', line 42

def to_s
  "number #{value}"
end