Class: UnknownClass

Inherits:
Numeric show all
Defined in:
lib/unknown.rb,
lib/unknown/version.rb

Overview

A numeric class that encapsulates the idea of an unknown number. Any math operation that includes an unknown is also Unknown this allows complex math functions to run without throwing execptions but the end result will be unknown if any of the values in the formula are also Unknown

Constant Summary collapse

VERSION = 
"0.1.0"

Instance Method Summary collapse

Methods inherited from Numeric

#known?

Instance Method Details

#<=>(_) ⇒ Object 



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# File 'lib/unknown.rb', line 81

def <=>(_)
  nil
end

#coerce(_) ⇒ Object 



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# File 'lib/unknown.rb', line 32

def coerce(_)
  [self, self]
end

#divmod(_) ⇒ Object 



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# File 'lib/unknown.rb', line 40

def divmod(_)
  [self, self]
end

#if_known?(&block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/unknown.rb', line 23

def if_known?(&block)
  self
end

#if_unknown?(value = nil, &block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/unknown.rb', line 15

def if_unknown?(value=nil, &block)
  if block_given?
    yield
  else
    value
  end
end

#inspect(*_) ⇒ Object Also known as: to_s 



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# File 'lib/unknown.rb', line 27

def inspect(*_)
  "Unknown"
end

#round(_ = nil) ⇒ Object 



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

def round(_=nil)
  self
end

#unknown? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/unknown.rb', line 11

def unknown?
  true
end