Generics Asumu Takikawa RacketCon 2012 1 What are generics? 2 - PowerPoint PPT Presentation

Generics Asumu Takikawa RacketCon 2012 1

What are generics? 2

What are generics? hash-ref assoc hash-set alist-cons hash-remove alist-delete 3

What are generics? hash-ref assoc hash-set alist-cons hash-remove alist-delete list-ref append vector-ref vector-append bytes-ref bytes-append 4

What are generics? hash-ref assoc hash-set alist-cons hash-remove alist-delete list-ref append vector-ref vector-append bytes-ref bytes-append = string=? boolean=? bytes=? 5

What are generics? hash-ref assoc dict-ref hash-set alist-cons dict-set dict-remove hash-remove alist-delete list-ref append vector-ref vector-append bytes-ref bytes-append = string=? boolean=? bytes=? 6

What are generics? hash-ref assoc dict-ref hash-set alist-cons dict-set dict-remove hash-remove alist-delete list-ref append sequence-ref vector-ref vector-append sequence-append bytes-ref bytes-append = string=? boolean=? bytes=? 7

What are generics? hash-ref assoc dict-ref hash-set alist-cons dict-set dict-remove hash-remove alist-delete list-ref append sequence-ref vector-ref vector-append sequence-append bytes-ref bytes-append = string=? equal? boolean=? bytes=? 8

What are generics? hash-ref assoc dict-ref hash-set alist-cons dict-set dict-remove hash-remove alist-delete list-ref append sequence-ref vector-ref vector-append sequence-append bytes-ref bytes-append = string=? equal? boolean=? bytes=? ... but can we make our own? 9

Of course! 10

Of course! This is 11

Of course! This is Anything is only a require away 12

Of course! This is Anything is only a require away (require racket/generic) 13

DEMO https:/ /gist.github.com/3885002 14

Generics Now available in 5.3 Credit: Eli Barzilay Jay McCarthy Vincent St-Amour Claire Alvis Asumu Takikawa 15