What is a programming domain?

“Programming domain” in computer science and computer programming is a general term referring to the field or problem that a program, programming language, or language syntax is designed to operate on or solve. The term is most often used when referring to domain-specific programming languages, which are programming languages ​​designed to specifically address the needs of a single field or problem. There is no real formal specification for what is and is not a programming domain, although there are some broad categories commonly used, such as business, Internet, and networking, and some more specific domains, such as optical recognition or messaging. The term is quite abstract, so it is most often applied during academic research or during the design stage of software development.

A computer programming algorithm.

One purpose for defining a programming domain might be to help model a domain-specific programming language. This means that if a programming domain is defined as Internet email, the programming language will be designed during the initial design stage specifically to address issues relating to Internet email only, often at a very high level. to the ultimate programmer. In this example, a domain-specific programming language for the Internet email programming domain might include commands like “send_to_address” or “check_valid_address” that are used to resolve specific network issues associated with Internet email. , but they do not have a broader , general purpose beyond that .

In a broader sense, a programming domain can also be an important concept when using domain-oriented design. This type of software design pattern meshes the programming language and the entire application infrastructure and control logic around the domain. By connecting the programming domain to different levels and stages of development, the context of certain parts of the application emerges and, in very complex programs, can make it easier for programmers and engineers to solve problems and visualize the inner workings of the program.

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One complication that can be found in the broader software development industry is that while many development teams may be using a domain of programming and domain-related models, there is no standardization on what a domain actually involves, how it is named or how it should be viewed. What one company might call a business domain might be called a business domain by another company. When applications, standards, and frameworks are developed for a specific domain by one company, they may be published, advertised, or sold as development tools or solutions to another company that may be working in the same domain. Without a standard for domain naming, existing domain-based solutions could go completely unnoticed.

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