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| author | Marcel Molina <marcel@vernix.org> | 2006-03-01 20:32:10 +0000 |
|---|---|---|
| committer | Marcel Molina <marcel@vernix.org> | 2006-03-01 20:32:10 +0000 |
| commit | 1fdf578c17b38fc5391996d2016f4170bc3bf5ba (patch) | |
| tree | 6063dbbf0043d0f187d6655c0ccbade2b1fc4ca4 /activesupport/CHANGELOG | |
| parent | 8368b5960b5128deed17fcf9d7cda5c70da9d972 (diff) | |
| download | rails-1fdf578c17b38fc5391996d2016f4170bc3bf5ba.tar.gz rails-1fdf578c17b38fc5391996d2016f4170bc3bf5ba.tar.bz2 rails-1fdf578c17b38fc5391996d2016f4170bc3bf5ba.zip | |
Add Enumerable#group_by and Array#in_groups_of
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3726 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activesupport/CHANGELOG')
| -rw-r--r-- | activesupport/CHANGELOG | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG index 7e20faecfa..0ed194591c 100644 --- a/activesupport/CHANGELOG +++ b/activesupport/CHANGELOG @@ -1,5 +1,30 @@ *SVN* +* Add Enumerable#group_by for grouping collections based on the result of some + block. Useful, for example, for grouping records by date. + + ex. + + latest_transcripts.group_by(&:day).each do |day, transcripts| + p "#{day} -> #{transcripts.map(&:class) * ', '}" + end + "2006-03-01 -> Transcript" + "2006-02-28 -> Transcript" + "2006-02-27 -> Transcript, Transcript" + "2006-02-26 -> Transcript, Transcript" + + Add Array#in_groups_of, for iterating over an array in groups of a certain + size. + + ex. + + %w(1 2 3 4 5 6 7).in_groups_of(3) {|g| p g} + ["1", "2", "3"] + ["4", "5", "6"] + ["7", nil, nil] + + [Marcel Molina Jr., Sam Stephenson] + * Added Kernel#daemonize to turn the current process into a daemon that can be killed with a TERM signal [DHH] * Add 'around' methods to Logger, to make it easy to log before and after messages for a given block as requested in #3809. [Michael Koziarski] Example: |