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(Pure) functional and logic-based programming languages are also declarative, and constitute the major subcategories of the declarative category. This section lists additional examples not in those subcategories.
Solidity was proposed in August 2014 by Gavin Wood [13] [non-primary source needed] The language was later developed by the Ethereum project's Solidity team, led by Christian Reitwiessner. Solidity is the primary language used to develop smart contracts for Ethereum as well as other private blockchains , such as the enterprise-oriented ...
Pure, successor to the equational language Q, is a dynamically typed, functional programming language based on term rewriting. It has facilities for user-defined operator syntax , macros , arbitrary-precision arithmetic (multiple-precision numbers), and compiling to native code through the LLVM .
In computer programming, a pure function is a function that has the following properties: [1] [2] the function return values are identical for identical arguments (no variation with local static variables , non-local variables , mutable reference arguments or input streams , i.e., referential transparency ), and
These two elements make this architecture Turing-complete. Even pure functional languages are Turing-complete. [15] [16] Turing completeness in declarative SQL is implemented through recursive common table expressions. Unsurprisingly, procedural extensions to SQL (PLSQL, etc.) are also Turing-complete. This illustrates one reason why relatively ...
The C++ examples in this section demonstrate the principle of using composition and interfaces to achieve code reuse and polymorphism. Due to the C++ language not having a dedicated keyword to declare interfaces, the following C++ example uses inheritance from a pure abstract base class.
In mathematics and computer science, a higher-order function (HOF) is a function that does at least one of the following: . takes one or more functions as arguments (i.e. a procedural parameter, which is a parameter of a procedure that is itself a procedure),
A pure virtual function or pure virtual method is a virtual function that is required to be implemented by a derived class if the derived class is not abstract. Classes containing pure virtual methods are termed "abstract" and they cannot be instantiated directly.