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as->

core-api



    macro
    boot.janet on line 1478, column 1

    (as-> x as & forms)

    Thread forms together, replacing `as` in `forms` with the value of 
    the previous form. The first form is the value x. Returns the last 
    value.

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(as-> [1 2 3] _ 
  (map inc _)
  (sum _)
  ( $-$  _ 10)
  ( $<$  _ 0))
# -> true

# same as
( $<$  ( $-$  (sum (map inc [1 2 3])) 10) 0)

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