Virtual method tableIn computer programming, a virtual method table (VMT), virtual function table, virtual call table, dispatch table, vtable, or vftable is a mechanism used in a programming language to support dynamic dispatch (or run-time method binding). Whenever a class defines a virtual function (or method), most compilers add a hidden member variable to the class that points to an array of pointers to (virtual) functions called the virtual method table.
Truth functionIn logic, a truth function is a function that accepts truth values as input and produces a unique truth value as output. In other words: The input and output of a truth function are all truth values; a truth function will always output exactly one truth value; and inputting the same truth value(s) will always output the same truth value.
Church encodingIn mathematics, Church encoding is a means of representing data and operators in the lambda calculus. The Church numerals are a representation of the natural numbers using lambda notation. The method is named for Alonzo Church, who first encoded data in the lambda calculus this way. Terms that are usually considered primitive in other notations (such as integers, booleans, pairs, lists, and tagged unions) are mapped to higher-order functions under Church encoding.
UnlambdaUnlambda est un langage minimal de programmation fonctionnelle inventé par David Madore. Il est fondé sur le principe de la logique combinatoire, une version du lambda-calcul qui omet l'opérateur lambda. Il repose principalement sur deux fonctions intégrées (s et k) et sur un opérateur apply (écrit `, le guillemet inversé). Il constitue de ce fait un langage Turing-complet et comporte en outre quelques fonctions d'E/S permettant une interaction avec l'utilisateur, diverses fonctions de raccourcis et une fonction d'évaluation paresseuse.
Philosophical languageA philosophical language is any constructed language that is constructed from first principles. It is considered a type of engineered language. Philosophical languages were popular in Early Modern times, partly motivated by the goal of revising normal language for philosophical (i.e. scientific) purposes. The term ideal language is sometimes used near-synonymously, though more modern philosophical languages such as Toki Pona are less likely to involve such an exalted claim of perfection.