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30 changes: 30 additions & 0 deletions default-recommendations/for-loop-shortcuts-test.rkt
Original file line number Diff line number Diff line change
Expand Up @@ -447,6 +447,36 @@ test: "multi-accumulator for/fold with one used result refactorable to for/fold
------------------------------


test: "multi-accumulator for/fold with one used result refactorable without formatting surroundings"
------------------------------
(define (foo)
( displayln "foo" )

(define-values (x y z)
(for/fold ([accum1 0]
[accum2 0]
[accum3 0])
([n (in-naturals)])
(values 0 0 0)))

(* x 2))
------------------------------
------------------------------
(define (foo)
( displayln "foo" )

(define x
(for/fold ([accum1 0]
[accum2 0]
[accum3 0]
#:result accum1)
([n (in-naturals)])
(values 0 0 0)))

(* x 2))
------------------------------


test: "for/fold with conditional body refactorable to for/fold with #:when"
------------------------------
(define (foo)
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3 changes: 2 additions & 1 deletion default-recommendations/for-loop-shortcuts.rkt
Original file line number Diff line number Diff line change
Expand Up @@ -336,8 +336,9 @@ return just that result."
(for-id ([accumulator-id initializer] ...
#:result #,used-accumulator)
loop-clauses loop-body ...))

(body-before ...
(~replacement replacement-definition #:original original-definition)
(~focus-replacement-on (~replacement replacement-definition #:original original-definition))
body-after ...))


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