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transpose 

        # Array.transpose

(from ruby core)
---
    array.transpose -> new_array

---

Transposes the rows and columns in an Array of Arrays; the nested Arrays
must all be the same size:
    a = [[:a0, :a1], [:b0, :b1], [:c0, :c1]]
    a.transpose # => [[:a0, :b0, :c0], [:a1, :b1, :c1]]

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.