Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
Community Proposals
Community Proposals
tag:snake search within a tag
answers:0 unanswered questions
user:xxxx search by author id
score:0.5 posts with 0.5+ score
"snake oil" exact phrase
votes:4 posts with 4+ votes
created:<1w created < 1 week ago
post_type:xxxx type of post
Search help
Notifications
Mark all as read See all your notifications »
Q&A

Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Post History

71%
+3 −0
Q&A Why is boolean value f (false) defined as a parsing-word while t (true) is not in Factor?

I noticed when attempting to generate random booleans that t and f are not treated in the same way: t random ! Error f random ! returns a value In the factor 0.98 and 0.99 documentation, t is ...

1 answer  ·  posted 2y ago by Razetime‭  ·  edited 2y ago by Alexei‭

Question factor boolean
#2: Post edited by user avatar Alexei‭ · 2022-08-19T05:42:12Z (over 2 years ago)
cleanup up the title a little bit
  • Why is boolean value f (false) defined as a parsing-word while t (true) is not? [Factor programming language]
  • Why is boolean value f (false) defined as a parsing-word while t (true) is not in Factor?
#1: Initial revision by user avatar Razetime‭ · 2022-08-18T04:50:29Z (over 2 years ago)
Why is boolean value f (false) defined as a parsing-word while t (true) is not? [Factor programming language]
I noticed when attempting to generate random booleans that `t` and `f` are not treated in the same way:

```factor
t random ! Error
f random ! returns a value
```

In the factor 0.98 and 0.99 documentation, [`t`](https://docs.factorcode.org/content/word-t,syntax.html) is defined as a simple word, whereas [`f`](https://docs.factorcode.org/content/word-f,syntax.html) is given special status as a parsing word. Why?