Builds a tree by linking callable nodes. The nodes that match the conditions are called in a chain from the root node to the leaf node. These are like nested `if` or `case` expressions.

extend syntax_tree, add parent and sibling

prefix_tree gem

Code to help with adding a tree structure to Contentful models.

This small gem contains several data structures that I have implemented in Ruby to learn how they work. Sometimes it is not enough to read the description of a data structure and accompanying pseudo-code. Actually implementing it is often helpful in understanding what is going on. It is also usu...

CommandSet is a user interface framework. Its focus is a DSL for defining commands, much like Rake or RSpec. A default readline based terminal interpreter (complete with context sensitive tab completion, and the amenities of readline: history editing, etc) is included. It could very well be ad...

RevTree builds a recursive directory tree and compares file revisions. It can mark files and folders as added, removed, modified, or unmodified. For convenience, RevTree also allows you to watch for changes in a directory tree.

Christmas tree cli

A gem to add tree structure functionality to Rails models.

ActsAsTreeDiagram extends ActsAsTree to add simple function for draw tree diagram with html.

A refinements for Hash to use it as a tree.

Represent your S3 bucket directory or file in tree view.

An attempt at a left leaning red black tree gem

gem version of acts_as_tree with some other features and tests

Allows ActiveRecord Models to be easily structured as a tree

simple tree gem

Open-source binary and bi-dimensional tree for ruby.

Render tree of ERB templates

CompTree is a parallel computation tree structure based upon concepts from pure functional programming.

Partially Persistent Tree, based on Okasaki's 'Purely Functional Data Structures'