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Questions tagged [factor-lang]

Factor is a concatenative programming language that was influenced by Forth, Joy and Lisp.

From the Factor wiki:

Factor is an experiment to build a modern, useful concatenative language with strong abstraction capabilities and good support for interactive development

To get started the Factor compiler can be found at http://factorcode.org/.

More information about Factor can be found at the wiki.

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Why use a stack-oriented language?

I recently took a look at Factor, and the idea of having a language based around the concept of a stack is very interesting. (This was my first encounter with a stack-oriented language.) However, I don't see any practical advantages of such a…
Sasha Chedygov
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Good resources for learning Factor

Having recently come across this introduction to Factor, I've been a bit curious to learn more. Aside from the official FAQ mentioned there, do you have resources for learning the language (as well as the stack-based "paradigm," if that's the right…
J Cooper
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Real world usage of concatenative programming languages

What are some real-world projects done in concatenative languages like Forth, Factor, Joy, etc.?
Vijay Mathew
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Do you plan on using the Factor programming language?

Do you plan on using Factor? Have you looked at it? Checked it out. Do you understand stack oriented programming? http://www.youtube.com/watch?v=f_0QlhYlS8g
Berlin Brown
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Which Factor GUI tutorial/example app?

Is there a non-trivial example application written in Factor language, pregerrably for GUI application which could server as a language tutorial?
Marko
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Faster way to compile Factor Programs

I really love the Factor language. But I find that compiling programs written in it is incredibly slow, and thus it's not feasible to create real projects with Factor. For example, compiling the sample Calculator WebApp takes about 5 minutes on my…
Yam Marcovic
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How to call a constructed quotation in Factor

I have a word which constructs a quotation which I want to be called. However, when I load the code I get Cannot apply “call” to a run-time computed value. If I use the walker and step thru the code it executes as expected. How are you supposed to…
tgunr
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callstack? retainstack? namestack?

This page of the Factor manual talks about these types of stacks stored in continuations: datastack retainstack callstack namestack catchstack What precisely do these stacks hold? The three most confusing for me are the callstack, retainstack and…
Pubby
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Lisp influence on on Factor programming language?

I have read (from Slava Pestov) that Factor was influenced by Lisp, but I am not sure that I can understand how? Are they not very difference programming languages?
Eli Schneider
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Fiddling with point-free code?

I have been learning the Factor and J languages to experiment with point-free programming. The basic mechanics of the languages seem clear, but getting a feeling for how to approach algorithm design is a challenge. A particular source of confusion…
user287424
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How to stop recursing?

Advent of Code Day 1 requires looping, in one form or another, over a long string of parentheses like ((((())(())(((()))(( etc. The idea is that ( goes up one "floor", ) goes down one floor, and the objectives are to print the first index in the…
cat
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Keeping quotations as tuple members in Factor

I want to keep a quotation as a member of a tuple in Factor. But when I try to execute 'call' on it I get the error 'cannot apply call to a run-time computed value'. Note that marking the functions as 'inline' does nothing. Sample code: USING:…
Randy Voet
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Working with code outside of the Factor source tree

I'm trying to get started playing with factor. So far, I've: downloaded the OSX disk image copied the factor directory into $INSTALL/factor started up the debugger by running $INSTALL/factor/factor Which seems to be running great. Following the…
rampion
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Building a web application with Factor

Has anybody built a web application with Factor? What were some of the stumbling blocks or problems that you encountered during the process?
Ryan Duffield
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Cleave a run-time computed value?

Cleave is a really useful combinator for minimising code duplication. Suppose I want to classify Abundant, Perfect, Deficient numbers: USING: arrays assocs combinators formatting io kernel math math.order math.primes.factors math.ranges sequences…
cat
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