Lambda Calculus Background, λ calculus Models of computation
... • Sometimes there are several redexes in a λ-expression => possible to choose different reduction orders • Normal order = reduce leftmost-outermost redex first = substitute the argumentet literally into the body of the function = call-by-name ≈ lazy evaluation • Applicative order = Leftmost-innermos ...
... • Sometimes there are several redexes in a λ-expression => possible to choose different reduction orders • Normal order = reduce leftmost-outermost redex first = substitute the argumentet literally into the body of the function = call-by-name ≈ lazy evaluation • Applicative order = Leftmost-innermos ...
functional form
... have the same form. 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 demonstrat ...
... have the same form. 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 demonstrat ...
3. High-Level Functional Programming
... might be bound to different values. This occurs, for example, in the case of the multiply function: multiply(3, 4) gives the same value as multiply(4, 3). Functions that prohibit f(x) from being the same as f(y) when x and y are bound to different values are called oneto-one functions. Functions suc ...
... might be bound to different values. This occurs, for example, in the case of the multiply function: multiply(3, 4) gives the same value as multiply(4, 3). Functions that prohibit f(x) from being the same as f(y) when x and y are bound to different values are called oneto-one functions. Functions suc ...
Computer Science 203 Programming Languages Bindings
... • There are many parameter-passing modes, such as: – By value: the formal is bound to a variable with an unused location, set to the actual’s value. – By name (in the ALGOL sense): the actual is not evaluated until the point of use. – By reference: the formal is bound to the variable designated ...
... • There are many parameter-passing modes, such as: – By value: the formal is bound to a variable with an unused location, set to the actual’s value. – By name (in the ALGOL sense): the actual is not evaluated until the point of use. – By reference: the formal is bound to the variable designated ...
Functional Programming
... “Haskell is a Lazy Pure Functional Language” Functional language supports the functional programming style where the basic method of computation is application of functions to arguments. For example, in C, int s = 0; for (int i=1; i <= 100; ++i) s = s + i; the computation method is variable assignme ...
... “Haskell is a Lazy Pure Functional Language” Functional language supports the functional programming style where the basic method of computation is application of functions to arguments. For example, in C, int s = 0; for (int i=1; i <= 100; ++i) s = s + i; the computation method is variable assignme ...
COND - Unicauca
... • Lambda notation is used to specify functions and function definitions. Function applications and data have the same form. 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 name ...
... • Lambda notation is used to specify functions and function definitions. Function applications and data have the same form. 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 name ...
scheme1 - Computer Science and Electrical Engineering
... How Programming Language Fanboys See Each Others’ Languages ...
... How Programming Language Fanboys See Each Others’ Languages ...
- Free Documents
... Numeric atoms and Primitive Functions y Primitive arithmetic functions such ,, and / are ...
... Numeric atoms and Primitive Functions y Primitive arithmetic functions such ,, and / are ...
- Starter tutorials
... • LISP functions specified using the above notation are called as S-expressions or symbolic expressions. • An S-expression can be either an atom or a list. • McCarthy developed a universal function capable of evaluating any other function. It was named EVAL. Vishnu Institute of technology – Website: ...
... • LISP functions specified using the above notation are called as S-expressions or symbolic expressions. • An S-expression can be either an atom or a list. • McCarthy developed a universal function capable of evaluating any other function. It was named EVAL. Vishnu Institute of technology – Website: ...
Haskell
... Haskell use Lists extensively. The following is an example of a list declaration: let a = [1, 2, 3, 4]. Tuples differ from lists in that they may contain elements of multiple types, but the length of a tuple is determined by its type declaration. Tuple elements are contained in parenthesis with eac ...
... Haskell use Lists extensively. The following is an example of a list declaration: let a = [1, 2, 3, 4]. Tuples differ from lists in that they may contain elements of multiple types, but the length of a tuple is determined by its type declaration. Tuple elements are contained in parenthesis with eac ...
Lecture 12
... Define fold as the function fold :: (a -> a -> a) -> [a] -> a a binary function a list the result fold f [x] = x fold f (x:xs) = f x (fold f xs) ...
... Define fold as the function fold :: (a -> a -> a) -> [a] -> a a binary function a list the result fold f [x] = x fold f (x:xs) = f x (fold f xs) ...
overview on declarative programming
... length, e.g., [ Int ], String, [ [ Bool ] ] to name a few. Type polymorphism allows us to use type variables that represent arbitrary types, which helps to make defined functions more generally applicable. This is especially useful in combination with another feature of functional programming langua ...
... length, e.g., [ Int ], String, [ [ Bool ] ] to name a few. Type polymorphism allows us to use type variables that represent arbitrary types, which helps to make defined functions more generally applicable. This is especially useful in combination with another feature of functional programming langua ...
Functional Programming - TAMU Computer Science Faculty Pages
... “Haskell is a Lazy Pure Functional Language” Functional language supports the functional programming style where the basic method of computation is application of functions to arguments. For example, in C, int s = 0; for (int i=1; i <= 100; ++i) s = s + i; the computation method is variable assignme ...
... “Haskell is a Lazy Pure Functional Language” Functional language supports the functional programming style where the basic method of computation is application of functions to arguments. For example, in C, int s = 0; for (int i=1; i <= 100; ++i) s = s + i; the computation method is variable assignme ...
Modeling Data With Functional Programming In R
... set of overlapping concepts that we can consider to form the basis of functional programming. This set consists of first-class functions, higher-order functions, and closures. Once these concepts are mastered, it is easy to identify and apply them in any language. In principle this is the same as le ...
... set of overlapping concepts that we can consider to form the basis of functional programming. This set consists of first-class functions, higher-order functions, and closures. Once these concepts are mastered, it is easy to identify and apply them in any language. In principle this is the same as le ...
pl9ch15 - Systems and Computer Engineering
... Copyright © 2009 Addison-Wesley. All rights reserved. ...
... Copyright © 2009 Addison-Wesley. All rights reserved. ...
Chapter 15 Slides - SRU Computer Science
... Copyright © 2007 Addison-Wesley. All rights reserved. ...
... Copyright © 2007 Addison-Wesley. All rights reserved. ...
Functional Programming
... have the same form. 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 demonstrat ...
... have the same form. 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 demonstrat ...
Ch. 15
... List Functions: CONS and LIST • CONS takes two parameters, the first of which can be either an atom or a list and the second of which is a list; returns a new list that includes the first parameter as its first element and the second parameter as the remainder of its result e.g., (CONS 'A '(B C)) r ...
... List Functions: CONS and LIST • CONS takes two parameters, the first of which can be either an atom or a list and the second of which is a list; returns a new list that includes the first parameter as its first element and the second parameter as the remainder of its result e.g., (CONS 'A '(B C)) r ...
Ch15-w
... have the same form. 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 demonstrat ...
... have the same form. 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 demonstrat ...
Structure of Programming Languages – Lecture 6
... to a LISP system, including non-functional loops, assignments, and sequences. Miranda, ML, Haskell: Updated in both syntax (all those parentheses) and semantics (tuples). More purely functional than Common Lisp and Scheme. ...
... to a LISP system, including non-functional loops, assignments, and sequences. Miranda, ML, Haskell: Updated in both syntax (all those parentheses) and semantics (tuples). More purely functional than Common Lisp and Scheme. ...
A/x - LAMP | EPFL
... More generally, if the last action of a function is a call to another (possible the same) function, only a single stack frame is needed for both functions. Such calls are called “tail calls”. Exercise: ...
... More generally, if the last action of a function is a call to another (possible the same) function, only a single stack frame is needed for both functions. Such calls are called “tail calls”. Exercise: ...