History of Changes

0.9.7 / 2015-12-31

  • Released 0.9.6. This is a minor bug-fix release.

  • This release allows the Tree::TreeNode#print_tree method to be used on non-root nodes. Thanks to Ojab.

  • The spaceship operator ('<=>') now returns 'nil' if the object being compared to is itself 'nil' or not another Tree::TreeNode.

0.9.6 / 2015-05-30

  • Released 0.9.6, which is same as 0.9.5, except for an update to the Gem release date.

0.9.5 / 2015-05-30

  • Released 0.9.5.

0.9.5pre7 / 2015-05-30

0.9.5pre5 / 2015-01-01

  • Fixed issue 32 and enabled 'move' semantics on the Tree::TreeNode#add method, so that a child being added, that has an existing parent, will be removed from its old parent, prior to being added to the new location.

0.9.5pre4 / 2014-12-17

0.9.5pre3 / 2014-12-16

  • Minor fix to correct the release date. This release is otherwise identical to 0.9.5pre2.

0.9.5pre2 / 2014-12-16

0.9.5pre / 2014-11-01

0.9.4 / 2014-07-04

0.9.3 / 2014-02-01

  • Fixed the issue with globally unique node names. See Github issue #24.

0.9.2 / 2014-01-03

  • Yanked R0.9.1 as the History file was not updated.

  • Updated the gem description.

  • Changed the travis-ci build to include coverall support.

0.9.1 / 2014-01-03

  • Updated the Gem description.

  • Incorporated code coverage using the coverall gem.

0.9.0 / 2014-01-02

This is a feature and bug-fix release.

The Features

The Fixes

Other Changes

  • Structural changes in the code to refactor out the non-core functions into modules (mostly by extracting out non-core code as mixins).

  • Significant refactoring of the documentation. The Yardoc tags are now extensively used.

  • Basic support built-in for including example code in the Gem. This will be fully expanded in the next release.

  • Various changes to the bundler, travis-ci and other Rakefile related changes.

0.8.3 / 2012-08-21

This is a primarily a bug-fix release, with some packaging changes.

  • Have removed the dependency on Hoe. The build is now vanilla gemspec based.

  • Included support for gem-testers.

  • Included support for Bundler.

  • Implemented the Tree::Utils::JSONConverter#as_json method to support Rails' JSON encoding, by pulling in the changes by Eric Cline (github.com/escline).

  • Partial fix for Github Bug #5. This is to prevent infinite looping is an existing node is added again elsewhere in the tree.

  • Fixed the issue with using integers as node names, and its interaction with the Tree::TreeNode#[] access method as documented in Github Bug #6.

  • Clarified the need to have unique node names Github Bug #7 (documentation).

  • Fixed Tree::TreeNode#siblings method to return an empty array for the root node as well (it returned nil earlier).

0.8.2 / 2011-12-15

  • Minor bug-fix release to address bug #1215 (Tree::TreeNode#to_s breaks if @content or @parent.name is not a string).

0.8.1 / 2010-10-02

  • This is the public release of R0.8.0, with additional bug-fixes. Note that R0.8.0 will not be released separately as a publicly available Rubygem. All changes as listed for R0.8.0 are available in this release.

  • The main change in R0.8.0/R0.8.1 is conversion of all CamelCase method names to snake_case. The old CamelCase method names will still work (to ensure backwards compatibility), but will also display a warning.

  • The Tree::TreeNode#add method now accepts an optional child insertion point.

  • The subtree from the current node can now be cloned in its entirety using the Tree::TreeNode#detached_subtree_copy method.

  • A major bug-fix for bug #28613 which impacted the Binarytree implementation.

  • Minor code re-factoring driven by the code-smell checks using reek.

  • Inclusion of the reek code-smell detection tool in the Rakefile.

0.8.0 / 2010-05-04

  • Updated the Tree::TreeNode#add method to allow the optional specification of an insertion position in the child array.

  • Added a new method Tree::TreeNode#detached_subtree_copy to allow cloning the entire tree (this method is also aliased as dup).

  • Converted all CamelCase method names to the canonical ruby_method_names (underscore separated). The CamelCase methods _can still_ be invoked, but will throw a Deprecated warning. The support for old CamelCase methods will go away some time in the future, so the user is advised to convert all current method invocations to the new names.

0.7.0 / 2010-05-03

  • Added new methods to report the degree statistics of a node.

  • Added a convenience method alias Tree::TreeNode#level to nodeDepth.

  • Converted the exceptions thrown on invalid arguments to ArgumentError instead of RuntimeError.

  • Converted the documentation to Yard format.

  • Added new methods for converting from/to JSON formats. Thanks to Dirk Breuer for this fork.

  • Added a separate API-CHANGES documentation file.

  • Added fixes for root related edge conditions to isOnlyChild?, nextSibling, previousSibling and remove! methods.

  • Removed the 'ChangeLog' file as this can now be generated from the git logs.

  • Other minor code cleanup.

0.6.2 / 2010-01-30

  • Updated the documentation.

0.6.1 / 2010-01-04

  • Changed the hard-dependency on the 'structured_warnings' RubyGem to a soft-dependency - which lets Rubytree still work if this RubyGem is not available. The rationale for this is that we should not require the user to install a separate library just for one single edge-case function (in this case, to indicate a deprecated method). However, if the library is available on the user's system, then it will get used.

0.6.0 / 2010-01-03

0.5.3 / 2009-12-31

  • Cleanup of the build system to exclusively use Hoe.

  • Modifications and reformatting to the documentation.

  • No user visible changes.

0.5.2 / 2007-12-21

  • Added more test cases and enabled ZenTest compatibility for the test case names.

0.5.1 / 2007-12-20

  • Minor code refactoring.

0.5.0 / 2007-12-18

  • Fixed the marshalling code to correctly handle non-string content.

0.4.3 / 2007-10-09

  • Changes to the build mechanism (now uses


0.4.2 / 2007-10-01

  • Minor code refactoring. Changes in the Rakefile.

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