11 lines
409 B
Racket
11 lines
409 B
Racket
#lang racket
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(define dict1 #hash((apple . 5) (orange . 10))) ; hash table
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(define dict2 '((apple . 5) (orange . 10))) ; a-list
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(define dict3 (vector "a" "b" "c")) ; vector (integer keys)
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(dict-keys dict1) ; => '(orange apple)
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(dict-values dict2) ; => '(5 10)
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(for/list ([(k v) (in-dict dict3)]) ; => '("0 -> a" "1 -> b" "2 -> c")
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(format "~a -> ~a" k v))
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