Programming Languages

... • Forms of atoms – sequence of characters, a string, an identifier – sequence of digits, an integer [perhaps with sign] – syntax of a real number – T, meaning true – F, meaning false – ϕ, the symbol representing the empty list ...

... • Forms of atoms – sequence of characters, a string, an identifier – sequence of digits, an integer [perhaps with sign] – syntax of a real number – T, meaning true – F, meaning false – ϕ, the symbol representing the empty list ...

Functional Programming

... • Programs describe what the problem is, not how to solve it. • Programs are stateless, immutable data and data structures are used (e.g., constants instead of variables, or lists instead of arrays). • There are no side effects, programs are referentially transparent. • There are no statements, comp ...

... • Programs describe what the problem is, not how to solve it. • Programs are stateless, immutable data and data structures are used (e.g., constants instead of variables, or lists instead of arrays). • There are no side effects, programs are referentially transparent. • There are no statements, comp ...

Jun 2004 - University of Malta

... Using these two definitions, define a function triangle which takes an integer parameter n and returns a list of strings, with the first element being a single dot, the second two dots, and so on, with the last string in the list consisting of n dots. For example, triangle 4 would return [".", "..", ...

... Using these two definitions, define a function triangle which takes an integer parameter n and returns a list of strings, with the first element being a single dot, the second two dots, and so on, with the last string in the list consisting of n dots. For example, triangle 4 would return [".", "..", ...

lisp notes #4

... Requires Abstraction – requires to think using concepts and about what needs to be done and not how it is done Abstract out the control flow patterns and give them names to easily reuse the control pattern » For example in most languages we explicitly write a loop every time we want to process an ar ...

... Requires Abstraction – requires to think using concepts and about what needs to be done and not how it is done Abstract out the control flow patterns and give them names to easily reuse the control pattern » For example in most languages we explicitly write a loop every time we want to process an ar ...

Powerpoint ()

... • Scala has this, known as Option • In general, if null is possible, use Option ...

... • Scala has this, known as Option • In general, if null is possible, use Option ...

CITS 3242 Programming Paradigms

... So, the current variables can be discarded before the recursive call. Then, the recursive call directly returns a result to the original caller. The compiled code will actually just be a simple loop. This is called tail recursion, and is a very common technique for efficient code. ...

... So, the current variables can be discarded before the recursive call. Then, the recursive call directly returns a result to the original caller. The compiled code will actually just be a simple loop. This is called tail recursion, and is a very common technique for efficient code. ...

First-Class Functions What is functional programming? First

... – Function bodies can use bindings from outside the function definition (in scope where function is defined) – Distinct concept from first-class functions. – Back to this powerful idea soon! ...

... – Function bodies can use bindings from outside the function definition (in scope where function is defined) – Distinct concept from first-class functions. – Back to this powerful idea soon! ...

Programming pieces - built-in functions and expressions

... small number (1 or 2) from the distance. ...

... small number (1 or 2) from the distance. ...

Programming Languages

... • We can think of programs, procedures, and functions in a programming language as all being represented by the mathematical concept of a function. • In mathematics there is no concept of memory location, or values of variables, so that an assignment statement such as x = x + 1 makes no sense in fun ...

... • We can think of programs, procedures, and functions in a programming language as all being represented by the mathematical concept of a function. • In mathematics there is no concept of memory location, or values of variables, so that an assignment statement such as x = x + 1 makes no sense in fun ...

20100222 F# Let the fun begin – part 1

... let message ="Hello world!“ // define a function value let sqr x = x*x Binds forever a value or function value to an identifier DOES NOT assign a value to an identifier The identifiers are immutable The compiler infers the types ...

... let message ="Hello world!“ // define a function value let sqr x = x*x Binds forever a value or function value to an identifier DOES NOT assign a value to an identifier The identifiers are immutable The compiler infers the types ...

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] ...

EI010 306 Computer Programming

... To develop the programming skill using C Module 1 (12 hrs) Problem solving with digital Computer - Steps in Computer programming - Features of a good program, Algorithms – Flowchart. Introduction to C: C fundamentals - The character set - identifiers and keywords - Data types - constants variables ...

... To develop the programming skill using C Module 1 (12 hrs) Problem solving with digital Computer - Steps in Computer programming - Features of a good program, Algorithms – Flowchart. Introduction to C: C fundamentals - The character set - identifiers and keywords - Data types - constants variables ...

Introduction to Lambda Calculus - CSE IITK

... b. Recursively quicksort the array of elements with values less than the pivot. Call it S. c. Recursively quicksort the array of elements with values greater than or equal to the pivot, except the pivot. Call it G. d. The final sorted array is: the elements of S followed by pivot, followed by the el ...

... b. Recursively quicksort the array of elements with values less than the pivot. Call it S. c. Recursively quicksort the array of elements with values greater than or equal to the pivot, except the pivot. Call it G. d. The final sorted array is: the elements of S followed by pivot, followed by the el ...

Lecture 5 – Python Functions

... • Readable. You should be able to read it as well as others. • Reusable. If it performs its task well, you can reuse. • Complete. A function should check for all the cases where it might be invoked. Check for potential errors. • Not too long. As it does one thing, code is usually succinct. ...

... • Readable. You should be able to read it as well as others. • Reusable. If it performs its task well, you can reuse. • Complete. A function should check for all the cases where it might be invoked. Check for potential errors. • Not too long. As it does one thing, code is usually succinct. ...