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Representing lists as binary trees

Representing lists as binary trees

3. 1. 7. 3. 7. 1. 9. 3. 5. 9. 5. 12. 5. 1. 12. 7. 9. 12. Representing lists as binary trees. 7. 9. 3. 12. 5. 1. Representing lists as binary trees (Cont.). ( define (entry tree) (car tree)) (define (left-branch tree) (cadr tree))

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305 views • 20 slides
First-class Attribute Grammars

First-class Attribute Grammars

First-class Attribute Grammars. Oege de Moor joint work with Kevin Backhouse and Doaitse Swierstra. Structuring AGs. flow patterns chains. semantic aspects type checking. remote attribute access copying inherited attributes. and many more. our aims:

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303 views • 18 slides
Design Constraints in Data Implementation

Design Constraints in Data Implementation

Design Constraints in Data Implementation. data abstraction (abstraction barrier) is good. the performance of the users of the data depends on the implementation/representation of the data. Data Abstraction Example 3: Set. set ??? ?? emptyset: set add-elmt: ? * set -> set set ???? ??

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361 views • 15 slides
list data

list data

list data. list ??? nil : list link : ? * list -> list list ???? empty? : list -> bool first : list -> ? rest : list -> list. map over list. (define (map f lst) (if (empty? lst) nil (link (f (first lst)) (map f (rest lst))) ) ). (define (inc n) (+ n 1))

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283 views • 14 slides
1 Kingdoms/Dichotomous Keys

1 Kingdoms/Dichotomous Keys

Name : Wendi Wilson . Course: Life Science. Grade Level: 7th. 1 Kingdoms/Dichotomous Keys. UNIT HEADING:. Classification. DAY #:. LESSON TOPIC:. Life Science Ch. 9 pgs. 200-213 Kingdoms Dichotomous Keys Internet website www.students.ed.qut.edu/au /n2364379/MDB377/

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191 views • 1 slides

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