| The Current`⍋` | Index << >>

• | works on non-scalar arrays which are all real numbers or all characters
• | compares major cells item-wise in ravel order (lexicographic ordering)
• | uses exact comparisons (as if`0=⎕ct`)
       x← ↑ 'three' 'two' 'one' 'Zero'

       x            x[⍋x;]          ⍋x
    three        Zero            3 2 0 1
    two          one
    one          three
    Zero         two

       ⍋ 'three' 'two' 'one' 'Zero'            ⍋ 2j¯1 2 2j3
    DOMAIN ERROR                            DOMAIN ERROR
       ⍋'three' 'two' 'one' 'Zero'             ⍋2J¯1 2 2J3
      ∧                                       ∧