class Ms::Data::Transposed
A Transposed
data array lazily evaluates it’s unresolved data as a transposed array. The unresolved data is evaluated into an array using to_a.
t = Ms::Data::Transposed.new([[1,4],[2,5],[3,6]]) t.unresolved_data # => [[1,4],[2,5],[3,6]] t.data # => [] t[0] # => [1,2,3] t[1] # => [4,5,6] t.data # => [[1,2,3], [4,5,6]]
Public Instance Methods
[](index)
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# File lib/ms/data/transposed.rb, line 26 def [](index) resolve.data[index] end
resolve()
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# File lib/ms/data/transposed.rb, line 34 def resolve @data = @unresolved_data.to_a.transpose unless resolved? self end
resolved?()
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# File lib/ms/data/transposed.rb, line 30 def resolved? !@data.empty? end