promise vs immutable

promise

A Promise Implementation in Crystal (by jwaldrip)

Misc

Source Code

jwaldrip.github.com

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immutable

Thread-safe, persistent, immutable collections for the Crystal language (by lucaong)

Misc Crystal immutable-collections Vector Hash Data structures Functional programming persistent-data-structure

Source Code

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promise		immutable
	Project
0	Mentions	0
32	Stars	200
-	Growth	-
0.0	Activity	0.0
almost 4 years ago	Latest Commit	almost 3 years ago
Crystal	Language	Crystal
MIT License	License	MIT License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

promise

Posts with mentions or reviews of promise. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning promise yet.
Tracking mentions began in Dec 2020.

immutable

Posts with mentions or reviews of immutable. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning immutable yet.
Tracking mentions began in Dec 2020.

What are some alternatives?

When comparing promise and immutable you can also consider the following projects:

evented - Publish and Subscribe for Crystal objects

crystal-diff - A Crystal sequence differencing implementation

cron_scheduler - Simple job scheduler with crontab patterns for Crystal Language.

aasm.cr - :arrows_clockwise: Easy to use finite state machine for Crystal classes

wikicr - Wiki in crystal, using Markdown and Git, inspired by dokuwiki. Last features to build are pretty hard, if you have some time to help... :)

cltk - A crystal port of the Ruby Language Toolkit

neph - A modern command line job processor, similar with make command

sentry - Build/Runs your crystal application, watches files, and rebuilds/restarts app on file changes

syscall.cr - syscall interface for Crystal

anyolite - Embedded mruby/Ruby for Crystal

etag - Library to generate HTTP ETags

m3u8 - Generate and parse m3u8 playlists for HTTP Live Streaming (HLS) in Crystal.