Example
... • A functional form that takes two functions as parameters, and yields a function whose value is the first actual parameter function applied to the result of the second – Form: h f ° g which means h (x) f ( g ( x)) – For f (x) x + 2 and g (x) 3 * x, h f ° g yields (3 * x)+ 2 ...
... • A functional form that takes two functions as parameters, and yields a function whose value is the first actual parameter function applied to the result of the second – Form: h f ° g which means h (x) f ( g ( x)) – For f (x) x + 2 and g (x) 3 * x, h f ° g yields (3 * x)+ 2 ...
Appendix B
... • Functions are treated as first-class objects that may be stored in data structures, passed as parameters, and returned as function results. • Primitive functions are supplied, and the programmer defines new functions using functional forms. • Program execution consists of the evaluation of an expr ...
... • Functions are treated as first-class objects that may be stored in data structures, passed as parameters, and returned as function results. • Primitive functions are supplied, and the programmer defines new functions using functional forms. • Program execution consists of the evaluation of an expr ...
Functional Programming
... A function is called a higher-order function (also called a functional form) if it takes a function as an argument or returns a newly constructed function as a result. Scheme has several built-in higher-order functions, for example: apply takes a function and a list and applies the function with the ...
... A function is called a higher-order function (also called a functional form) if it takes a function as an argument or returns a newly constructed function as a result. Scheme has several built-in higher-order functions, for example: apply takes a function and a list and applies the function with the ...
Chapter 11 - Functional Programming, Part I: Concepts and Scheme
... a is always evaluated, and, depending on whether the result is #t or #f, either b or c is evaluated and returned as the result. The define function (define x (+ 2 3)): this defines top-level names; the second expression is always evaluated, the first expression is never evaluated -- it must be a nam ...
... a is always evaluated, and, depending on whether the result is #t or #f, either b or c is evaluated and returned as the result. The define function (define x (+ 2 3)): this defines top-level names; the second expression is always evaluated, the first expression is never evaluated -- it must be a nam ...
Appendix B FUNCTIONAL PROGRAMMING WITH SCHEME
... expressions. This anomaly is caused by the side effect in the expression being evaluated, but programming by effect lies at the heart of imperative programming. If we depend on imperative programs, we must discard many of the basic properties of mathematics, such as associative and commuative laws o ...
... expressions. This anomaly is caused by the side effect in the expression being evaluated, but programming by effect lies at the heart of imperative programming. If we depend on imperative programs, we must discard many of the basic properties of mathematics, such as associative and commuative laws o ...
Functional Programming www.AssignmentPoint.com In computer
... If a pure function is called with arguments that cause no side-effects, the result is constant with respect to that argument list (sometimes called referential transparency), i.e. if the pure function is again called with the same arguments, the same result will be returned (this can enable cachin ...
... If a pure function is called with arguments that cause no side-effects, the result is constant with respect to that argument list (sometimes called referential transparency), i.e. if the pure function is again called with the same arguments, the same result will be returned (this can enable cachin ...
Functional Languages and Higher
... Reductions • REDucible EXpression (redex) – an application is a redex – abstractions and variables are not redexes ...
... Reductions • REDucible EXpression (redex) – an application is a redex – abstractions and variables are not redexes ...
Functional Programming Big Picture
... be as close to Fortran’s as possible, with additions when necessary ? This notation was called M -notation, for meta-notation ...
... be as close to Fortran’s as possible, with additions when necessary ? This notation was called M -notation, for meta-notation ...
ML Functions - Welcome to Computer Science
... Referential transparency greatly increases the ability of a program to be quantitatively analyzed, used as a proof, and debugged. ML’s variables are entirely local to a called function Variables are bound at run-time. Compiling is not often used. Global variables don’t exist. Neither do instances of ...
... Referential transparency greatly increases the ability of a program to be quantitatively analyzed, used as a proof, and debugged. ML’s variables are entirely local to a called function Variables are bound at run-time. Compiling is not often used. Global variables don’t exist. Neither do instances of ...
15. Functional Programming Languages.
... A functional form that takes a list of functions as parameters and yields a list of the results of applying each of its parameter functions to a given parameter Form: [f, g] For f (x) ∫ x * x * x and g (x) ∫ x + 3, [f, g] (4) yields (64, 7) 3. Apply-to-all A functional form that takes a single funct ...
... A functional form that takes a list of functions as parameters and yields a list of the results of applying each of its parameter functions to a given parameter Form: [f, g] For f (x) ∫ x * x * x and g (x) ∫ x + 3, [f, g] (4) yields (64, 7) 3. Apply-to-all A functional form that takes a single funct ...
Part 1
... a set of functional forms to construct complex functions, a function application operation, some structure to represent data In functional programming, functions are viewed as values themselves, which can be computed by other functions and can be parameters to other functions Functions are f ...
... a set of functional forms to construct complex functions, a function application operation, some structure to represent data In functional programming, functions are viewed as values themselves, which can be computed by other functions and can be parameters to other functions Functions are f ...
notes
... may not be known. Indeed, it may not even have a value if the evaluation does not terminate. On the other hand, types can be determined at compile time and are used by the compiler to rule out ill-formed terms. When we say a given term has a given type (for example, λx.x2 has type Z → Z), we are say ...
... may not be known. Indeed, it may not even have a value if the evaluation does not terminate. On the other hand, types can be determined at compile time and are used by the compiler to rule out ill-formed terms. When we say a given term has a given type (for example, λx.x2 has type Z → Z), we are say ...
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 ...
pl10ch15 - ODU Computer Science
... DEFINE - Two forms: 1. To bind a symbol to an expression e.g., (DEFINE pi 3.141593) Example use: (DEFINE two_pi (* 2 pi)) These symbols are not variables – they are like the names bound by Java’s final declarations ...
... DEFINE - Two forms: 1. To bind a symbol to an expression e.g., (DEFINE pi 3.141593) Example use: (DEFINE two_pi (* 2 pi)) These symbols are not variables – they are like the names bound by Java’s final declarations ...
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 ...
Comp 411 Principles of Programming Languages Lecture 7 Meta-interpreters
... – The defect is that the output of an actual interpreter is restricted to values that can be characterized syntactically. (How do you output a function?) – On the other hand, interpreters naturally introduce a simple form of functional abstraction. A recursive interpreter accepts an extra input, an ...
... – The defect is that the output of an actual interpreter is restricted to values that can be characterized syntactically. (How do you output a function?) – On the other hand, interpreters naturally introduce a simple form of functional abstraction. A recursive interpreter accepts an extra input, an ...
Functional_Programming
... Employ recursion for repetive execution Programs have no side effects and all expressions are referentially transparent ...
... Employ recursion for repetive execution Programs have no side effects and all expressions are referentially transparent ...
LN10
... Its type is String -> String -> String. According to the rules of function application we can also apply it to only one argument: infixr 5 ++ (++)::String->(String->String) (++)”Name=”::String->String ...
... Its type is String -> String -> String. According to the rules of function application we can also apply it to only one argument: infixr 5 ++ (++)::String->(String->String) (++)”Name=”::String->String ...