Functional Programming in Haskell
... • Values don't change over program execution: contrast x=x+1 etc. of Java, C, … •… instead we describe relations between values by means of (fixed) functions. ...
... • Values don't change over program execution: contrast x=x+1 etc. of Java, C, … •… instead we describe relations between values by means of (fixed) functions. ...
An introduction to Python
... - range(N,M): return list of integers from N to M-1 - eval(string): evaluate a string as a Python expression ‣ eval(’C*x**n’, {’C’:10.,‘x’:2.0, ‘n’:3}) - str(object): convert obj to its string representation - zip(seq1, seq2, ...): return “zipped” list of tuples ...
... - range(N,M): return list of integers from N to M-1 - eval(string): evaluate a string as a Python expression ‣ eval(’C*x**n’, {’C’:10.,‘x’:2.0, ‘n’:3}) - str(object): convert obj to its string representation - zip(seq1, seq2, ...): return “zipped” list of tuples ...
Functional Programming and Compiler Design
... … we can add two numbers, but we can't add a picture to a number, and indeed we can't add two pictures. ...
... … we can add two numbers, but we can't add a picture to a number, and indeed we can't add two pictures. ...
Short Introduction to the Lambda
... By assuming a property to hold for n, one shows the property for n+1 (this is the principle of numerical induction; it corresponds to the mechanism of defining a function on numbers by recursion; We shall see that induction principles on complex inductive data types correspond to the general mechani ...
... By assuming a property to hold for n, one shows the property for n+1 (this is the principle of numerical induction; it corresponds to the mechanism of defining a function on numbers by recursion; We shall see that induction principles on complex inductive data types correspond to the general mechani ...
document
... – strongly typed – polymorphism but explicit type declarations as part of all function definitions – simple module facility – user-defined concrete data types with pattern matching ...
... – strongly typed – polymorphism but explicit type declarations as part of all function definitions – simple module facility – user-defined concrete data types with pattern matching ...
C# is a functional programming language
... The System.Query library provides higher-order functions on IEnumerable for map, filter, fold, append, drop, take, etc.
...
... The System.Query library provides higher-order functions on IEnumerable
Chapter 12 - Binus Repository
... - A mid-1970s dialect of LISP, designed to be 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 ...
... - A mid-1970s dialect of LISP, designed to be 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 ...
Expressing C++ Template Metaprograms as Lambda expressions
... Variables are implemented by their name. A name symbol from the lambda expression becomes a name symbol in C++. Binding of the names in lambda abstractions is done by the C++ compiler. As we could see it in the previous example the lambda expression y becomes typedef y type in the C++ template metap ...
... Variables are implemented by their name. A name symbol from the lambda expression becomes a name symbol in C++. Binding of the names in lambda abstractions is done by the C++ compiler. As we could see it in the previous example the lambda expression y becomes typedef y type in the C++ template metap ...
Delegates and Events
... when want to control the space used for storage access the custom data structure in OnClick() or use to control accessibility ...
... when want to control the space used for storage access the custom data structure in OnClick() or use to control accessibility ...
Foundations of Functional Programming
... the next section!) and define a squaring function sqr ≡ λn. mult nn. Then sqr ( sqr N ) → mult ( sqr N )( sqr N ) → mult ( mult N N )( mult N N ) and we will have to evaluate four copies of the term N ! Call-by-value would have evaluated N (only once) beforehand, but, as we have seen, it can result ...
... the next section!) and define a squaring function sqr ≡ λn. mult nn. Then sqr ( sqr N ) → mult ( sqr N )( sqr N ) → mult ( mult N N )( mult N N ) and we will have to evaluate four copies of the term N ! Call-by-value would have evaluated N (only once) beforehand, but, as we have seen, it can result ...
Logic 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 ...
CS-Intro-AI-LISP - Geometric and Intelligent Computing Laboratory
... (I WILL PLAY GOD AND CHANGE THAT!) ...
... (I WILL PLAY GOD AND CHANGE THAT!) ...
Drexel-CS-Intro-AI-LISP
... • Let used to initialize LOCALS; Setf used to initialize GLOBALS (or use defparameter, defconstant, defvar). • Need to know symbols (name for var or fn) are NOT vars (depends on context). Symbol value does NOT change when fn is called w/ a symbol as a local var: (symbol-value 'x) returns global val ...
... • Let used to initialize LOCALS; Setf used to initialize GLOBALS (or use defparameter, defconstant, defvar). • Need to know symbols (name for var or fn) are NOT vars (depends on context). Symbol value does NOT change when fn is called w/ a symbol as a local var: (symbol-value 'x) returns global val ...
Introduction to Functional Programming (1)
... The library file Prelude.hs provides a large number of standard functions. In addition to the familiar numeric functions such as + and ∗, the library also provides many useful functions on lists. Prelude> head [1,2,3,4,5] ...
... The library file Prelude.hs provides a large number of standard functions. In addition to the familiar numeric functions such as + and ∗, the library also provides many useful functions on lists. Prelude> head [1,2,3,4,5] ...
Why Functional Programming Matters
... counterparts. These “advantages” of structured programming are very similar in spirit to the “advantages” of functional programming we discussed earlier. They are essentially negative statements, and have led to much fruitless argument about “essential gotos” and so on. With the benefit of hindsight ...
... counterparts. These “advantages” of structured programming are very similar in spirit to the “advantages” of functional programming we discussed earlier. They are essentially negative statements, and have led to much fruitless argument about “essential gotos” and so on. With the benefit of hindsight ...
lec4
... E1, E2,...,En - E1 should evaluate to a function and then apply the function value of E1 to the arguments given by the values of E2,...,En. In the base case, there are self evaluating expressions (e.g. numbers and symbols). In addition, various special forms such as quote and if must be handled sep ...
... E1, E2,...,En - E1 should evaluate to a function and then apply the function value of E1 to the arguments given by the values of E2,...,En. In the base case, there are self evaluating expressions (e.g. numbers and symbols). In addition, various special forms such as quote and if must be handled sep ...
Abstract machine for a comonadic dataflow language
... In Chapter 2 we give an overview of comonadic dataflow languages. We start by presenting a short introduction to programming in a dataflow language Lucid Synchrone to provide some context. Next, we will introduce the notion of comonads, and present a comonadic evaluator for a higher-order non-strict ...
... In Chapter 2 we give an overview of comonadic dataflow languages. We start by presenting a short introduction to programming in a dataflow language Lucid Synchrone to provide some context. Next, we will introduce the notion of comonads, and present a comonadic evaluator for a higher-order non-strict ...
Functional Languages
... operate on functions of any order as long as types match. – HOF's are usually polymorphic ...
... operate on functions of any order as long as types match. – HOF's are usually polymorphic ...
programming in haskell
... for any type a, length takes a list of values of type a and returns an integer. ...
... for any type a, length takes a list of values of type a and returns an integer. ...
funprog
... E1, E2,...,En - E1 should evaluate to a function and then apply the function value of E1 to the arguments given by the values of E2,...,En. In the base case, there are self evaluating expressions (e.g. numbers and symbols). In addition, various special forms such as quote and if must be handled sep ...
... E1, E2,...,En - E1 should evaluate to a function and then apply the function value of E1 to the arguments given by the values of E2,...,En. In the base case, there are self evaluating expressions (e.g. numbers and symbols). In addition, various special forms such as quote and if must be handled sep ...
Introduction-to
... there are parameters Parameters with default values must come last >>> def printName(last, first, mi=""): print("%s, %s %s" % (last, first, mi)) ...
... there are parameters Parameters with default values must come last >>> def printName(last, first, mi=""): print("%s, %s %s" % (last, first, mi)) ...
Chapter 5 THE LAMBDA CALCULUS
... letter to stand as variables and constants. The pure lambda calculus has no predefined constants, but it still allows the definition of all of the common constants and functions of arithmetic and list manipulation. We will say more about the expressibility of the pure lambda calculus later in this c ...
... letter to stand as variables and constants. The pure lambda calculus has no predefined constants, but it still allows the definition of all of the common constants and functions of arithmetic and list manipulation. We will say more about the expressibility of the pure lambda calculus later in this c ...
Python for Joe Cross
... for _ in xrange(n): velocities = [rndV() for i in xrange(6)] r,g,b = [rndC() for i in xrange(3)] mainParticle = velocities[:3] + [r,g,b] secondParticle = velocities[3:] + [r,g,b] ...
... for _ in xrange(n): velocities = [rndV() for i in xrange(6)] r,g,b = [rndC() for i in xrange(3)] mainParticle = velocities[:3] + [r,g,b] secondParticle = velocities[3:] + [r,g,b] ...
Why Functional Programming Matters
... copy for educational purposes only without fee provided the copies are not made for direct commercial advantage and this BCS copyright notice appears. ...
... copy for educational purposes only without fee provided the copies are not made for direct commercial advantage and this BCS copyright notice appears. ...