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Factor is a programming language created in 2003 by Slava Pestov.

#258on PLDB 20Years Old 2.3kUsers
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Factor is a stack-oriented programming language created by Slava Pestov. Factor is dynamically typed and has automatic memory management, as well as powerful metaprogramming features. The language has a single implementation featuring a self-hosted optimizing compiler and an interactive development environment. Read more on Wikipedia...

Example from Riju:
IN: main USE: io "Hello, world!" print
Example from hello-world:
USING: io ; "Hello World" print
Example from Wikipedia:
: make-html ( string -- xml ) dup <XML <html> <head><title><-></title></head> <body><h1><-></h1></body> </html> XML> ;

Language features

Feature Supported Token Example
Strings "
"Hello world"
Print() Debugging print
Garbage Collection
Semantic Indentation X

Publications about Factor from Semantic Scholar

title authors year citations influentialCitations
Factor: a dynamic stack-based programming language Sviatoslav Pestov, Daniel Ehrenberg, Joe Groff 2010 5 1
An Introduction to Factor Zackery L. Arnold 2017 1 0
axiom.html · factor.html · sass.html

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