Common Dimension
Format Ruby 💎
$ irb -r ./src/common-dimension.rb
>> common_dimension(:mile, :yard) #=> :metre
>> common_dimension(:yard, :foot) #=> :metre
>> common_dimension(:yard, :litre) #=> nil
>> common_dimension(:imperial_cup, :liter) #=> :liter
>> common_dimension(:stone, :ounce) #=> :kilogram
>> common_dimension(:stone, :metre) #=> nil
>> common_dimension(:gram, :gram) #=> :kilogram
Format Python 🐍
$ python -i src/common-dimension.py
>>> common_dimension('mile', 'yard')
'metre'
>>> common_dimension('yard', 'foot')
'metre'
>>> common_dimension('yard', 'litre')
>>> common_dimension('imperial_cup', 'litre')
'liter'
>>> common_dimension('stone', 'ounce')
'kilogram'
>>> common_dimension('stone', 'metre')
>>> common_dimension('gram', 'gram')
'kilogram'Languages