Preprocessor Glossary

Browse 4 preprocessor terms defined in plain English, from the cultural dictionary of computing.

4 Preprocessor Terms

Macro
A rule or pattern that generates or transforms code at compile time, expanding shorthand into more complex expressions — used in C preprocessor, Rust, Lisp,...
Sass
Syntactically Awesome Style Sheets — a CSS preprocessor that adds variables, nesting, mixins, partials, and inheritance to standard CSS. Sass files (.scss or...
SCSS
Sassy CSS — the newer, CSS-superset syntax of the Sass preprocessor that uses curly braces and semicolons (unlike the indentation-based `.sass` syntax), adding...
Translation Unit
The fundamental unit of compilation in C and C++: a single source file after the preprocessor has expanded all #include directives, macros, and conditional...

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