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*View this file with results and syntax highlighting [here](https://mlochbaum.github.io/BQN/help/shiftbefore.html).*

# Left Pointing Double Angle Quotation (`«`)
    
## `« 𝕩`: Shift Before
    
Remove the first element of `𝕩`,  add a cell of fill values to the end of the first axis of `𝕩`.
    
           78 « 1‿2‿3

           « 1‿2‿3

           « 3‿3 ⥊ 9

    
    
## `𝕨 « 𝕩`: Shift Before
    
Remove the first `≠𝕨` (length) major cells from `𝕩`, join `𝕨` to the end of `𝕩`. Ranks must match.
    
           8‿5 « 1‿2‿3

           a ← 3‿3 ⥊ 9

           1‿2‿3 « a