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Use define/:.

This commit is contained in:
Sergiu Ivanov 2022-11-06 22:48:30 +01:00
parent d7d9274bc9
commit da368d2574
2 changed files with 11 additions and 19 deletions
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12
networks.rkt
View File

@ -747,10 +747,8 @@
(module+ test
(test-case "tabulate-state*"
(define (f1 [st : (State Integer)])
(auto-hash-ref/: st (+ :a :b)))
(define (f2 [st : (State Integer)])
(auto-hash-ref/: st (- :a :b)))
(define/: f1 (State Integer) (+ :a :b))
(define/: f2 (State Integer) (- :a :b))
(check-equal? (tabulate-state* (list f1 f2) (hash 'a '(1 2) 'b '(2 3)))
'((1 2 3 -1)
(1 3 4 -2)
@ -765,10 +763,8 @@
(module+ test
(test-case "tabulate-state*/boolean"
(define (f1 [st : (State Boolean)])
(auto-hash-ref/: st (and :a :b)))
(define (f2 [st : (State Boolean)])
(auto-hash-ref/: st (or :a :b)))
(define/: f1 (State Boolean) (and :a :b))
(define/: f2 (State Boolean) (or :a :b))
(check-equal? (tabulate-state*/boolean (list f1 f2) '(a b))
'((#f #f #f #f)
(#f #t #f #t)

18
scribblings/networks.scrbl
View File

@ -727,12 +727,10 @@ functions. @racket[domains] defines the domains of each of the component of
the states.
@ex[
(require (only-in "utils.rkt" auto-hash-ref/:))
(let ([f1 (λ ([st : (State Integer)])
(auto-hash-ref/: st (+ :a :b)))]
[f2 (λ ([st : (State Integer)])
(auto-hash-ref/: st (- :a :b)))])
(tabulate-state* (list f1 f2) (hash 'a '(1 2) 'b '(2 3))))
(require (only-in "utils.rkt" λ/:))
(tabulate-state* (list (λ/: (State Integer) (+ :a :b))
(λ/: (State Integer) (- :a :b)))
(hash 'a '(1 2) 'b '(2 3)))
]}
@defproc[(tabulate-state*/boolean [funcs (Listof (-> State Boolean) Boolean)]
@ -744,11 +742,9 @@ The list @racket[args] is used to generate all possible Boolean states
containing the variables appearing on this list.
@ex[
(let ([f1 (λ ([st : (State Boolean)])
(auto-hash-ref/: st (and :a :b)))]
[f2 (λ ([st : (State Boolean)])
(auto-hash-ref/: st (or :a :b)))])
(tabulate-state*/boolean (list f1 f2) '(a b)))
(tabulate-state*/boolean (list (λ/: (State Boolean) (and :a :b))
(λ/: (State Boolean) (or :a :b)))
'(a b))
]}
@section{Constructing functions and networks}