Class: Haversine::Distance

Inherits:
Object
  • Object
show all
Defined in:
lib/haversine.rb

Defined Under Namespace

Classes: Unit

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(distance) ⇒ Distance

Returns a new instance of Distance.



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# File 'lib/haversine.rb', line 51

def initialize distance
  @distance = distance
end

Instance Attribute Details

#distance ⇒ Object (readonly)

Returns the value of attribute distance.



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# File 'lib/haversine.rb', line 49

def distance
  @distance
end

Instance Method Details

#[](key) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/haversine.rb', line 55

def [] key               
  method = :"delta_#{key}"
  raise ArgumentError, "Invalid unit key #{key}" if !respond_to? method
  Distance.send "in_#{key}", send(method)
end