nounmasculinepl: functors
funtor
1. In mathematics and category theory, a structure-preserving map between categories that maps objects to objects and morphisms to morphisms
A functor between two categories must preserve the composition of morphisms.
Um funtor entre duas categorias deve preservar a composição de morfismos.
2. In logic and linguistics, a word or expression that requires arguments to form a complete meaningful unit
In predicate logic, 'loves' is a functor that takes two arguments.
Na lógica de predicados, 'ama' é um funtor que recebe dois argumentos.
3. In programming, an object that can be called as a function, or a function pointer
In C++, you can create a functor by overloading the operator() in a class.
Em C++, você pode criar um funtor sobrecarregando o operator() em uma classe.
This is a technical term primarily used in academic and professional mathematics and computer science contexts. It is not commonly used in everyday conversation in either Brazil or the USA. The Portuguese translation 'funtor' maintains the same technical specificity as the English term.
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