functional prog. in scheme
... • Here’s compose for two functions in Scheme (define (compose2 f g) (lambda (x) (f (g x)))) • Note that compose calls lambda which returns a new function that applies f to the result of applying g to x • We’ll look at how the variable environments work to support this in the next topic, closures • B ...
... • Here’s compose for two functions in Scheme (define (compose2 f g) (lambda (x) (f (g x)))) • Note that compose calls lambda which returns a new function that applies f to the result of applying g to x • We’ll look at how the variable environments work to support this in the next topic, closures • B ...
ppt - FSU Computer Science
... • A function is a mapping from inputs to output objects and computes output objects from appropriate inputs. • For example, the proposition that every pair of nonnegative integers (the inputs) has a greatest common divisor (the output object) has a constructive proof implemented by Euclid's algorith ...
... • A function is a mapping from inputs to output objects and computes output objects from appropriate inputs. • For example, the proposition that every pair of nonnegative integers (the inputs) has a greatest common divisor (the output object) has a constructive proof implemented by Euclid's algorith ...
PowerPoint
... control program execution instead of imperative features such as variables and assignments • LISP began as a purely functional language and later included imperative features • Scheme is a relatively simple dialect of LISP that uses static scoping exclusively • COMMON LISP is a large LISP-based lang ...
... control program execution instead of imperative features such as variables and assignments • LISP began as a purely functional language and later included imperative features • Scheme is a relatively simple dialect of LISP that uses static scoping exclusively • COMMON LISP is a large LISP-based lang ...
Lecture 21 - FSU Computer Science
... • Read a scheme object from file: (read file) • Check the current character in a file without consuming the character: (peek-char file) • Check end-of-file: (eof-object? (peek-char file)) • Write one character to a file: (write-char char file) • Write a scheme object to file: (write object file) ...
... • Read a scheme object from file: (read file) • Check the current character in a file without consuming the character: (peek-char file) • Check end-of-file: (eof-object? (peek-char file)) • Write one character to a file: (write-char char file) • Write a scheme object to file: (write object file) ...
Functional Programming Big Picture
... ? a set of functional forms to construct complex functions, ? a function application operation, ? some structure to represent data In functional programming, functions are viewed as values themselves, which can be computed by other functions and can be parameters to other functions ...
... ? a set of functional forms to construct complex functions, ? a function application operation, ? some structure to represent data In functional programming, functions are viewed as values themselves, which can be computed by other functions and can be parameters to other functions ...
Scheme [PPT]
... – "eq?" returns #t if its parameters represent the same data object in memory; – equal? compares data structures such as lists, vectors and strings to determine if they have congruent structure and equivalent contents ...
... – "eq?" returns #t if its parameters represent the same data object in memory; – equal? compares data structures such as lists, vectors and strings to determine if they have congruent structure and equivalent contents ...
Part 1
... be as close to Fortran’s as possible, with additions when necessary This notation was called M-notation, for meta-notation ...
... be as close to Fortran’s as possible, with additions when necessary This notation was called M-notation, for meta-notation ...
Ch1516rev
... 2. The values of the parameters are substituted into the function body 3. The function body is evaluated 4. The value of the last expression in the body is the value of the function ...
... 2. The values of the parameters are substituted into the function body 3. The function body is evaluated 4. The value of the last expression in the body is the value of the function ...
Chapter 1
... 2. The values of the parameters are substituted into the function body 3. The function body is evaluated 4. The value of the last expression in the body is the value of the function ...
... 2. The values of the parameters are substituted into the function body 3. The function body is evaluated 4. The value of the last expression in the body is the value of the function ...
CS 345 - Programming Languages
... Reading Assignment Mitchell, Chapter 3 “Why Functional Programming Matters” (linked from the course website) Take a look at Dybvig’s book (linked from the course website) ...
... Reading Assignment Mitchell, Chapter 3 “Why Functional Programming Matters” (linked from the course website) Take a look at Dybvig’s book (linked from the course website) ...
Functional programming in Scheme.
... Reading Assignment Mitchell, Chapter 3 “Why Functional Programming Matters” (linked from the course website) Take a look at Dybvig’s book (linked from the course website) ...
... Reading Assignment Mitchell, Chapter 3 “Why Functional Programming Matters” (linked from the course website) Take a look at Dybvig’s book (linked from the course website) ...
Chapter 15 slides - University of Hawaii
... conditional expressions, recursion, and functional forms to control program execution instead of imperative features such as variables and assignments • LISP began as a purely functional language and later included imperative features • Scheme is a relatively simple dialect of LISP that uses static ...
... conditional expressions, recursion, and functional forms to control program execution instead of imperative features such as variables and assignments • LISP began as a purely functional language and later included imperative features • Scheme is a relatively simple dialect of LISP that uses static ...
Praktikum Bahasa Pemrograman (Functional Programming)
... • A number by itself is an expression, and the answer is just the number: ...
... • A number by itself is an expression, and the answer is just the number: ...
List
... • Any identifier is a lambda expression • If M and N are lambda expressions, then the application of M to N, (MN) is a lambda expression • An abstraction, written (x M ) where x is an identifier and M is a lambda expression, is also a lambda expression ...
... • Any identifier is a lambda expression • If M and N are lambda expressions, then the application of M to N, (MN) is a lambda expression • An abstraction, written (x M ) where x is an identifier and M is a lambda expression, is also a lambda expression ...
Functional programming languages
... In an imperative language, operations are done and the results are stored in variables for later use Management of variables is a constant concern and source of complexity for imperative programming languages In an FPL, variables are not necessary, as is the case in mathematics ...
... In an imperative language, operations are done and the results are stored in variables for later use Management of variables is a constant concern and source of complexity for imperative programming languages In an FPL, variables are not necessary, as is the case in mathematics ...
lectur15
... In an imperative language, operations are done and the results are stored in variables for later use Management of variables is a constant concern and source of complexity for imperative programming languages In an FPL, variables are not necessary, as is the case in mathematics ...
... In an imperative language, operations are done and the results are stored in variables for later use Management of variables is a constant concern and source of complexity for imperative programming languages In an FPL, variables are not necessary, as is the case in mathematics ...
09 LINQ old
... • We have seen the power of representing program source at runtime (expression trees). • In LISP, program source can be represented at runtime, but also generated at runtime (or compile-time). – Source code itself is a data structure (a list). ...
... • We have seen the power of representing program source at runtime (expression trees). • In LISP, program source can be represented at runtime, but also generated at runtime (or compile-time). – Source code itself is a data structure (a list). ...
Functional Programming
... Aggregate constructs for constructing structured objects: the ability to specify a structured object in-line such as a complete list or record value Garbage collection COP4020 Spring 2011 ...
... Aggregate constructs for constructing structured objects: the ability to specify a structured object in-line such as a complete list or record value Garbage collection COP4020 Spring 2011 ...
Slides - Chapter 10
... however, is the wrong way to look at things – One has to get used to thinking in a recursive style ...
... however, is the wrong way to look at things – One has to get used to thinking in a recursive style ...
Document
... - List form: parenthesized collections of sublists and/or atoms e.g., (A B (C D) E) - Originally, LISP was a typeless language - LISP lists are stored internally as single-linked lists - Lambda notation is used to specify functions and function definitions, function applications, and data all have t ...
... - List form: parenthesized collections of sublists and/or atoms e.g., (A B (C D) E) - Originally, LISP was a typeless language - LISP lists are stored internally as single-linked lists - Lambda notation is used to specify functions and function definitions, function applications, and data all have t ...
ppt
... - Surprisingly powerful - Recursion - Functions as first class objects (can be value of an expression, passed as an argument, put in a data structure) ...
... - Surprisingly powerful - Recursion - Functions as first class objects (can be value of an expression, passed as an argument, put in a data structure) ...
ppt
... - Surprisingly powerful - Recursion - Functions as first class objects (can be value of an expression, passed as an argument, put in a data structure) ...
... - Surprisingly powerful - Recursion - Functions as first class objects (can be value of an expression, passed as an argument, put in a data structure) ...
Functional Programming in Scheme Functional Programming
... - Surprisingly powerful - Recursion - Functions as first class objects (can be value of an expression, passed as an argument, put in a data structure) ...
... - Surprisingly powerful - Recursion - Functions as first class objects (can be value of an expression, passed as an argument, put in a data structure) ...
Document
... e.g., If the list (A B C) is interpreted as data it is a simple list of three atoms, A, B, and C If it is interpreted as a function application, it means that the function named A is applied to the two parameters, B and C The first LISP interpreter appeared only as a demonstration of the universalit ...
... e.g., If the list (A B C) is interpreted as data it is a simple list of three atoms, A, B, and C If it is interpreted as a function application, it means that the function named A is applied to the two parameters, B and C The first LISP interpreter appeared only as a demonstration of the universalit ...
Lect 1
... e.g., If the list (A B C) is interpreted as data it is a simple list of three atoms, A, B, and C If it is interpreted as a function application, it means that the function named A is applied to the two parameters, B and C The first LISP interpreter appeared only as a demonstration of the universalit ...
... e.g., If the list (A B C) is interpreted as data it is a simple list of three atoms, A, B, and C If it is interpreted as a function application, it means that the function named A is applied to the two parameters, B and C The first LISP interpreter appeared only as a demonstration of the universalit ...
Lisp (programming language)
Lisp (historically, LISP) is a family of computer programming languages with a long history and a distinctive, fully parenthesized Polish prefix notation.Originally specified in 1958, Lisp is the second-oldest high-level programming language in widespread use today; only Fortran is older (by one year). Like Fortran, Lisp has changed a great deal since its early days, and a number of dialects have existed over its history. Today, the most widely known general-purpose Lisp dialects are Common Lisp and Scheme.Lisp was originally created as a practical mathematical notation for computer programs, influenced by the notation of Alonzo Church's lambda calculus. It quickly became the favored programming language for artificial intelligence (AI) research. As one of the earliest programming languages, Lisp pioneered many ideas in computer science, including tree data structures, automatic storage management, dynamic typing, conditionals, higher-order functions, recursion, and the self-hosting compiler.The name LISP derives from ""LISt Processor"". Linked lists are one of Lisp's major data structures, and Lisp source code is itself made up of lists. As a result, Lisp programs can manipulate source code as a data structure, giving rise to the macro systems that allow programmers to create new syntax or new domain-specific languages embedded in Lisp.The interchangeability of code and data gives Lisp its instantly recognizable syntax. All program code is written as s-expressions, or parenthesized lists. A function call or syntactic form is written as a list with the function or operator's name first, and the arguments following; for instance, a function f that takes three arguments would be called as (f arg1 arg2 arg3).