Lisp and Scheme I
... • EQ? is just a pointer test, like Java’s ‘=‘ • EQUAL? compares two complex objects, like a Java object’s equal method ...
... • EQ? is just a pointer test, like Java’s ‘=‘ • EQUAL? compares two complex objects, like a Java object’s equal method ...
Untyped Lambda Calculus - Programming Systems Lab
... and return functions as results. No other objects are needed since data objects like numbers and pairs can be represented as functions in the untyped lambda calculus. Untyped lambda calculus is a model of computation that appeared before Turing machines. Turing himself showed that computability form ...
... and return functions as results. No other objects are needed since data objects like numbers and pairs can be represented as functions in the untyped lambda calculus. Untyped lambda calculus is a model of computation that appeared before Turing machines. Turing himself showed that computability form ...
Functional Programming
... An interpreter for Haskell, and the most widely used implementation of the language; An interactive system, which is well-suited for teaching and prototyping purposes; Hugs is freely available from: www.haskell.org/hugs ...
... An interpreter for Haskell, and the most widely used implementation of the language; An interactive system, which is well-suited for teaching and prototyping purposes; Hugs is freely available from: www.haskell.org/hugs ...
19. Introduction to evaluation order
... As we observe in the items below, we can use even the weakest form of equality, namely structural, deep equality, for our observations about referential transparency. In other words, if two structures are structurally equal, the expressions and values involved may substitute each other. ...
... As we observe in the items below, we can use even the weakest form of equality, namely structural, deep equality, for our observations about referential transparency. In other words, if two structures are structurally equal, the expressions and values involved may substitute each other. ...
functional form
... It returns the parameter without evaluation QUOTE is required because the interpreter, i.e. EVAL, always evaluates the parameters. QUOTE is used to avoid parameter evaluation when it is not ...
... It returns the parameter without evaluation QUOTE is required because the interpreter, i.e. EVAL, always evaluates the parameters. QUOTE is used to avoid parameter evaluation when it is not ...
Chapter 15 Functional Programming Languages
... cleaner, more modern, and simpler version than the contemporary dialects of LISP - Uses only static scoping - Functions are first-class entities: - They can be the values of expressions and elements of lists - They can be assigned to variables and passed as parameters ...
... cleaner, more modern, and simpler version than the contemporary dialects of LISP - Uses only static scoping - Functions are first-class entities: - They can be the values of expressions and elements of lists - They can be assigned to variables and passed as parameters ...
Chapter 15 Functional Programming Languages
... cleaner, more modern, and simpler version than the contemporary dialects of LISP - Uses only static scoping - Functions are first-class entities: - They can be the values of expressions and elements of lists - They can be assigned to variables and passed as parameters ...
... cleaner, more modern, and simpler version than the contemporary dialects of LISP - Uses only static scoping - Functions are first-class entities: - They can be the values of expressions and elements of lists - They can be assigned to variables and passed as parameters ...
5. Functional Programming
... • Any of these conditions can be waived if you get permission from the copyright holder. Your fair use and other rights are in no way affected by the above. © O. Nierstrasz ...
... • Any of these conditions can be waived if you get permission from the copyright holder. Your fair use and other rights are in no way affected by the above. © O. Nierstrasz ...
5. Functional Programming
... • Any of these conditions can be waived if you get permission from the copyright holder. Your fair use and other rights are in no way affected by the above. © O. Nierstrasz ...
... • Any of these conditions can be waived if you get permission from the copyright holder. Your fair use and other rights are in no way affected by the above. © O. Nierstrasz ...
scheme1
... • EQ? is just a pointer test, like Java’s ‘=‘ • EQUAL? compares two complex objects, like a Java object’s equal method ...
... • EQ? is just a pointer test, like Java’s ‘=‘ • EQUAL? compares two complex objects, like a Java object’s equal method ...
What is a Program?
... Any of the above conditions can be waived if you get permission from the copyright holder. Nothing in this license impairs or restricts the author's moral rights. ...
... Any of the above conditions can be waived if you get permission from the copyright holder. Nothing in this license impairs or restricts the author's moral rights. ...
Chapter 15 - McMaster Computing and Software
... Origins of Scheme • A mid-1970s dialect of LISP,, designed g to be a cleaner, more modern, and simpler version than the contemporary dialects of LISP • Uses only static scoping • Functions are first-class entities – They can be the values of expressions and elements l t off lists li t – They can be ...
... Origins of Scheme • A mid-1970s dialect of LISP,, designed g to be a cleaner, more modern, and simpler version than the contemporary dialects of LISP • Uses only static scoping • Functions are first-class entities – They can be the values of expressions and elements l t off lists li t – They can be ...
Chapter 15 slides - Erica Heitman-Ford
... 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 ...
pl10ch15
... 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 ...
Maclennan-chap9-Lisp.ppt
... That summer Gerlernter and Gerberich of IBM were working, with the advice of McCarthy, on a geometry program. As a tool they developed FLPL, the Fortran list-processing language, by writing a set of list-processing subprograms for use with Fortran programs. One result of this work was the developmen ...
... That summer Gerlernter and Gerberich of IBM were working, with the advice of McCarthy, on a geometry program. As a tool they developed FLPL, the Fortran list-processing language, by writing a set of list-processing subprograms for use with Fortran programs. One result of this work was the developmen ...
A general introduction to Functional Programming using Haskell
... A lambda expression is used to define an anonymous function It is made of: – a pattern for each argument of the function – a body, which defines how the result is computed from the values of the arguments – Examples: \x > x+x \(x,y) > x+y \(x:xs) > x^2 • then, if we evaluate the expression (\(x:x ...
... A lambda expression is used to define an anonymous function It is made of: – a pattern for each argument of the function – a body, which defines how the result is computed from the values of the arguments – Examples: \x > x+x \(x,y) > x+y \(x:xs) > x^2 • then, if we evaluate the expression (\(x:x ...
CS 135 - School of Computer Science Student WWW Server
... We insist that we only apply a function when all of its arguments are values (not general expressions). Now, for any expression: ...
... We insist that we only apply a function when all of its arguments are values (not general expressions). Now, for any expression: ...
7. Introduction to the Lambda Calculus
... Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one. • For any reuse or distribution, you must make clear to others the license terms of this work. • Any of these conditions can be waived if you get permissio ...
... Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under a license identical to this one. • For any reuse or distribution, you must make clear to others the license terms of this work. • Any of these conditions can be waived if you get permissio ...
Beginning with the Haskell Programming Language About the Tutorial
... complex--features cannot be covered. In particular, the whole area of type classes and algebraic types (including abstract data types) is a bit too much for a first introduction. For readers whose interest is piqued, it is enough to mention that Haskell allows you to create your own data types, and ...
... complex--features cannot be covered. In particular, the whole area of type classes and algebraic types (including abstract data types) is a bit too much for a first introduction. For readers whose interest is piqued, it is enough to mention that Haskell allows you to create your own data types, and ...
Functional Programming in Scheme
... The value assigned to X depends on the evaluation order of the expression F(&X)+ ++X for any initial value a of X different than 0. The result of the expression F(&X) + ++X is 1, for the left-to-right evaluation, and a+1 if the evaluation is right-to-left. Banning side effects have important consequ ...
... The value assigned to X depends on the evaluation order of the expression F(&X)+ ++X for any initial value a of X different than 0. The result of the expression F(&X) + ++X is 1, for the left-to-right evaluation, and a+1 if the evaluation is right-to-left. Banning side effects have important consequ ...
Lambda Calculus as a Programming Language
... "theoretically" we should. We forbid the use of the symbol as a free variable within the λexpression itself. This is in line with Lambda calculus where λ-expressions must be textually finite and where free variables have nothing to do with defining recursive functions. The notation E1 = E2 is used t ...
... "theoretically" we should. We forbid the use of the symbol as a free variable within the λexpression itself. This is in line with Lambda calculus where λ-expressions must be textually finite and where free variables have nothing to do with defining recursive functions. The notation E1 = E2 is used t ...
scheme1
... • It’s a simple, elegant yet powerful language • You will learn a lot about PLs from studying it • We’ll look at how to implement a Scheme interpreter in Scheme • Many features, once unique to Lisp, are now in “mainstream” PLs: python, javascript, perl, R … • It will expand your notion of what a PL ...
... • It’s a simple, elegant yet powerful language • You will learn a lot about PLs from studying it • We’ll look at how to implement a Scheme interpreter in Scheme • Many features, once unique to Lisp, are now in “mainstream” PLs: python, javascript, perl, R … • It will expand your notion of what a PL ...
Lambda Calculus
... to Share — to copy, distribute and transmit the work to Remix — to adapt the work Under the following conditions: Attribution. You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). Share Alike. ...
... to Share — to copy, distribute and transmit the work to Remix — to adapt the work Under the following conditions: Attribution. You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). Share Alike. ...
Chapter 1 - KSU Web Home
... 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 named ...
... 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 named ...