Class: GroupByDrill

Inherits:
Drill
  • Object
show all
Defined in:
lib/ruby_drills/hash/group_by_drill.rb

Constant Summary

Constants included from Commands

Commands::GAMBLER

Instance Attribute Summary

Attributes inherited from Drill

#hints, #next, #previous

Instance Method Summary collapse

Methods inherited from Drill

#done?, #drills, #expected, #initialize, #non!

Methods included from Commands

#back, #clear, #continue, #fail, #fold, #help, #hint, #quit, #review, #skip, #welcome, #win

Constructor Details

This class inherits a constructor from Drill

Instance Method Details

#reference ⇒ Object 



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# File 'lib/ruby_drills/hash/group_by_drill.rb', line 20

def reference
  "@mario_bros.group_by { |character, personality| personality } "
end

#setup ⇒ Object 



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# File 'lib/ruby_drills/hash/group_by_drill.rb', line 3

def setup
  @mario_bros = { "Mario"=>"good", "Luigi"=>"good", "Bowser"=>"evil", "Peach"=>"good", "Toad"=>"good", "Yoshi" => "superb" }
  @hints = ["http://ruby-doc.org/core-2.1.0/Enumerable.html#method-i-group_by"]
end

#show ⇒ Object 



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# File 'lib/ruby_drills/hash/group_by_drill.rb', line 8

def show
  puts %{We have one hash:
@mario_bros: #{@mario_bros.inspect}

Organize the Mario Bros by their personality:
#{expected.inspect}

Use the Enumerable method that will return a hash of key/value pairs where the keys values and the
values are an array of key/value pairs.
}
end

#valid?(input) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_drills/hash/group_by_drill.rb', line 24

def valid?(input)
  input.include?('group_by')
end