Class: ZipDrill

Inherits:
Drill show all
Defined in:
lib/ruby_drills/array/zip_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

#referenceObject



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# File 'lib/ruby_drills/array/zip_drill.rb', line 20

def reference
  "[1,2,3].zip(@a, @b)"
end

#setupObject



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# File 'lib/ruby_drills/array/zip_drill.rb', line 3

def setup
  @a = [ 4, 5, 6 ]
  @b = [ 7, 8, 9 ]
  @hints = ["http://ruby-doc.org/core-1.9.3/Enumerable.html#method-i-zip"]
end

#showObject



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# File 'lib/ruby_drills/array/zip_drill.rb', line 9

def show
  puts %{We have two arrays:
@a: #{@a.inspect}
@b: #{@b.inspect}

Use the Enumerable method that will take one element from a new
array and merge the corresponding elements from a and b to return
#{expected.inspect}:
  }
end

#valid?(input) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/ruby_drills/array/zip_drill.rb', line 24

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