How Factor implements closures
The recent blog post from the Clozure CL team on Clozure CL's implementation of closures inspired me to do a similar writeup about Factor's implementation. It is often said that "closures are a poor man's objects", or "objects are a poor man's closures". Factor takes the former view, because as you will see they are largely implemented within the object system itself. Quotations First, let us look
Beginning Factor – Introduction
I’ve been involved in the Factor programming language community for about a year now, and am constantly amazed with how productive its contributors are. Large improvements to the language and its libraries are made on a weekly (if not daily) basis, and it’s finally starting to attract some much-deserved attention from the programming community. The problem is, the language is a huge departure from
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Useless Factor: Factor supports XML literal syntax
Factor can now express XML as literals in code. There's a new library, xml.interpolate, which lets you create an XML chunk or document using interpolating either by locals or using a fry-like syntax. Here's a taste, from the syndication vocab, to create an Atom file:: feed>xml ( feed -- xml ) [ title>> ] [ url>> present ] [ entries>> [ entry>xml ] map ] tri <XML <feed xmlns="http://www.w3.org/2005
Beginning Factor – Shufflers & Combinators
In the previous installment of Beginning Factor, we discussed some of the attributes of stack-based languages and the syntax for defining words in Factor. This time around, I’d like to introduce stack shufflers, quotations & combinators, and touch on some more basic data types and their properties. Up until now, we’ve essentially been using Factor as an overqualified RPN calculator. I just wanted
Factor: an extensible interactive language | Lambda the Ultimate
Factor: an extensible interactive language, Google Tech Talk by Slava Pestov. Factor is a general-purpose programming language which has been in development for a little over five years and is influenced by Forth, Lisp, and Smalltalk. Factor takes the best ideas from Forth -- simplicity, succinct code, emphasis on interactive testing, meta-programming -- and brings modern high-level language featu
Eggs Unlimited - stacktor
Version 0.8 Release fix 0.7 Meta-file fix 0.6 Documentation fix 0.5 Initial release Documentation Stacktor allows programmers to use stack based programming next to more familiar styles of programming such as functional, imperative, object-oriented, etc. In stack programming, arguments are taken from the stack, and return values are pushed back on to the stack. Literal values are automatically pus
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A survey of domain-specific languages in Factor
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Smalltalk in Factor
Sup dawg, we heard you like Smalltalk so we put Smalltalk in your Factor so you can send messages while you roll
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Factor: an extensible interactive language