Chapter 11 - Functional Programming, Part I: Concepts and Scheme
... 1. Constant atoms, such as numbers and strings, evaluate to themselves. 2. Identifiers are looked up in the current environment and replaced by the value found there. (The environment in Scheme is essentially a dynamically maintained symbol table that associates identifiers to values.) 3. A list ...
... 1. Constant atoms, such as numbers and strings, evaluate to themselves. 2. Identifiers are looked up in the current environment and replaced by the value found there. (The environment in Scheme is essentially a dynamically maintained symbol table that associates identifiers to values.) 3. A list ...
Higher-order functions
... 60, whose call-by-name parameter passing mechanism provides a form of lazy evaluation. Some modern functional languages have lazy evaluation, most notably Clean and Haskell. This provides for concise programs, extreme modularization, and very powerful and general functions, especially when working w ...
... 60, whose call-by-name parameter passing mechanism provides a form of lazy evaluation. Some modern functional languages have lazy evaluation, most notably Clean and Haskell. This provides for concise programs, extreme modularization, and very powerful and general functions, especially when working w ...
Chapter 1: Programming Basics, Python History and Program
... To aid with creative thought and higher-level ...
... To aid with creative thought and higher-level ...
LISP
... are bound variables, and all the other variables that appear in the body of the function are free variables. When a function is called any bindings that a bound variable may have in the global environment are saved and the variable is rebound to the calling parameter. After the function has complete ...
... are bound variables, and all the other variables that appear in the body of the function are free variables. When a function is called any bindings that a bound variable may have in the global environment are saved and the variable is rebound to the calling parameter. After the function has complete ...
Functions, recursion and lists
... Computer programs can write or manipulate other programs (or themselves) as their data If can modify themselves --- reflective programming Lisp program can be represented using Lisp atoms and lists ...
... Computer programs can write or manipulate other programs (or themselves) as their data If can modify themselves --- reflective programming Lisp program can be represented using Lisp atoms and lists ...
Partitioners and Combiners
... • MapReduce = functional programming plus distributed processing on steroids – Not a new idea… dates back to the 50’s (or even 30’s) • What is functional programming? – Computation as application of functions – Computation is evaluation of mathematical functions – Avoids state and mutable data – Emp ...
... • MapReduce = functional programming plus distributed processing on steroids – Not a new idea… dates back to the 50’s (or even 30’s) • What is functional programming? – Computation as application of functions – Computation is evaluation of mathematical functions – Avoids state and mutable data – Emp ...
LN10
... map :: (a->b)->[a]->[b] filter :: (a->Bool)->[a]->[a] foldr :: (a->b->b)->b->[a]->b merge :: (a->a->Bool)->[a]->[a]->[a] mergesort :: (a->a->Bool)->[a]->[a] ...
... map :: (a->b)->[a]->[b] filter :: (a->Bool)->[a]->[a] foldr :: (a->b->b)->b->[a]->b merge :: (a->a->Bool)->[a]->[a]->[a] mergesort :: (a->a->Bool)->[a]->[a] ...
Inner Class
... It is legal to reference a private instance variable of the outer class It is legal to invoke a private method of the outer class o Within the definition of a method of the outer class It is legal to reference a private instance variable of the inner class on an object of the inner class It ...
... It is legal to reference a private instance variable of the outer class It is legal to invoke a private method of the outer class o Within the definition of a method of the outer class It is legal to reference a private instance variable of the inner class on an object of the inner class It ...
Introduction to Computers and Java
... The Compiler and the Java Virtual Machine • A programmer writes Java programming statements for a program. • These statements are known as source code. • A text editor is used to edit and save a Java source code file. • Source code files have a .java file extension. • A compiler is a program that t ...
... The Compiler and the Java Virtual Machine • A programmer writes Java programming statements for a program. • These statements are known as source code. • A text editor is used to edit and save a Java source code file. • Source code files have a .java file extension. • A compiler is a program that t ...
Introduction to Functional Programming
... reach the base case. This is why termination is guaranteed. (Though it loops for n < 0.) This sort of recursion, where the argument to the recursive call(s) decreases by 1 each time is called primitive recursion. The function fib is di erent: the recursion is not primitive. To know that fib n termin ...
... reach the base case. This is why termination is guaranteed. (Though it loops for n < 0.) This sort of recursion, where the argument to the recursive call(s) decreases by 1 each time is called primitive recursion. The function fib is di erent: the recursion is not primitive. To know that fib n termin ...
