'Front ptr' presentation slideshows

Lecture 15: More about assignment and the Environment Model (EM)

Lecture 15: More about assignment and the Environment Model (EM). Another thing the substitution model did not explain well:. Nested definitions : block structure ( define (sqrt x) (define (good-enough? guess) (< (abs (- (square guess) x)) 0.001)) (define (improve guess)

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6.001 Data Mutation

6.001 Data Mutation. Primitive and Compound Data Mutators Stack Example non-mutating mutating Queue Example non-mutating mutating. Elements of a Data Abstraction. A data abstraction consists of: constructors selectors mutators operations contract. -- makes a new structure.

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Data Mutation

Data Mutation. Primitive and compound data mutators set! for names set-car! , set-cdr! for pairs Stack example non-mutating mutating Queue example non-mutating mutating. Elements of a Data Abstraction. A data abstraction consists of: constructors selectors mutators operations

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6.001 SICP Data Mutation

6.001 SICP Data Mutation. Primitive and Compound Data Mutators Stack Example non-mutating mutating Queue Example non-mutating mutating. Elements of a Data Abstraction. A data abstraction consists of: constructors selectors mutators operations contract. -- makes a new structure.

345 views • 32 slides