Don't Get Clever

Transcript

1. Don't Get Clever Avdi Grimm

2. Pop quiz r e q u i r e '

   p s t o r e ' s t o r e = P S t o r e . n e w ( ' d a t a . p s t o r e ' ) s t o r e . t r a n s a c t i o n ( t r u e ) d o # . . . e n d

3. Pop quiz 2 A r r a y . i

   n s t a n c e _ m e t h o d s ( f a l s e )

4. Symbols are truthy r e q u i r e

   ' p s t o r e ' s t o r e = P S t o r e . n e w ( ' d a t a . p s t o r e ' ) s t o r e . t r a n s a c t i o n ( : r e a d _ o n l y ) d o # . . . e n d

5. Clever!

6. What's : r e a d _ o n l

   y ?? s t o r e . t r a n s a c t i o n ( : r e a d _ o n l y ) d o # . . . e n d

7. Dead end s t o r e . t r

   a n s a c t i o n ( : c h u n k y _ b a c o n ) d o # . . . e n d

8. Negation A r r a y . i n s

   t a n c e _ m e t h o d s ( ! : i n c l u d e _ s u p e r )

9. Don't get clever

10. Intention-revealing argument r e a d _ o n l

    y = t r u e s t o r e . t r a n s a c t i o n ( r e a d _ o n l y ) d o # . . . e n d

11. Intention-revealing argument i n c l u d e _

    s u p e r = f a l s e A r r a y . i n s t a n c e _ m e t h o d s ( i n c l u d e _ s u p e r )

12. Inline version A r r a y . i n

    s t a n c e _ m e t h o d s ( i n c l u d e _ s u p e r = f a l s e )

13. Don't get clever