Commonly-Used Acronyms

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The D mailing lists, D blogs and IRC discussions commonly use acronyms.

Here is a small list of the usual ones:

  • ARC: Automatic Reference Counting. A form of automatic memory management.
  • AST: Abstract Syntax Trees. Trees resulting from parsing.
  • AST Macros: A macro system for transforming a program's AST during compilation. [Not implemented in D].
  • CI: Continuous integration. A regular merging and automated testing of developer code with the mainline codebase.
  • CTFE: Compile-Time Function Execution/Evaluation. The ability, for the D programming language to evaluate a (standard, runtime) function during compilation, yielding a compile-time constant as a result.
  • DRY: Don't Repeat Yourself (in code) a principle summarized as: Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.
  • DSEL: Domain-Specific Embedded Language. A DSL used inside a more general programming language. Also known as an internal DSL.
  • DSL: Domain-Specific Language. A small sub-language dedicated to a particular domain or problem. Examples are regexes, string formatters (%d, %s, ...).
  • FFI: A foreign function interface (FFI) is a mechanism by which a program written in one programming language can call routines or make use of services written in another.
  • FQN: Fully qualified name. See here.
  • GC: Garbage Collection. A form of automatic memory management.
  • ICE: Internal Compiler Error.
  • IFTI: Implicit Function-Template Instantiation. For function templates, the template arguments can be automatically determined by the compiler from the function arguments.
  • LGTM: Looks Good To Me. You can see it during voting threads and pull requests discussions.
  • NIH: Not Invented Here. Also: NIH Syndrome. When someone insists on writing everything themself rather than using existing libraries or tools to solve a problem.
  • NVI: Non-Virtual Interface. See here.
  • PR: Pull Request. On Github, where most of the D development takes place, you can contribute code to the compilers and standard library by doing a pull request.
  • TLS: Thread-local Storage. A portion of static or global memory that is only accessible by a single thread.
  • UDA: User-Defined Attribute. See here.
  • UDT: User-Defined Type.
  • UFCS: Universal Function Call Syntax. Allows foo(a,b) to be written as a.foo(b). This allows free functions to be called as if they were member functions and allows function calls to be chained with the . operator: [0,1,2].map!(a=>a+1)().array().

See also