aboutsummaryrefslogtreecommitdiffstats
path: root/activesupport
diff options
context:
space:
mode:
authorSteve Klabnik <steve@steveklabnik.com>2012-11-09 15:24:05 +0100
committerSteve Klabnik <steve@steveklabnik.com>2012-11-09 15:57:18 +0100
commit88d59de12d9951c0ac18a1e53e52f92c00c15849 (patch)
tree071cb9c1beffdd548fb094188c1e128a35022041 /activesupport
parent6710f057f9033aec2ef62b961b9a2000a2d499e5 (diff)
downloadrails-88d59de12d9951c0ac18a1e53e52f92c00c15849.tar.gz
rails-88d59de12d9951c0ac18a1e53e52f92c00c15849.tar.bz2
rails-88d59de12d9951c0ac18a1e53e52f92c00c15849.zip
Deprecate Hash#diff.
It's no longer used in Rails any more. See https://github.com/rails/rails/pull/8142\#issuecomment-10227297 for more
Diffstat (limited to 'activesupport')
-rw-r--r--activesupport/CHANGELOG.md3
-rw-r--r--activesupport/lib/active_support/core_ext/hash/diff.rb1
2 files changed, 4 insertions, 0 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md
index 61d85543d1..dc84b44dec 100644
--- a/activesupport/CHANGELOG.md
+++ b/activesupport/CHANGELOG.md
@@ -1,4 +1,7 @@
## Rails 4.0.0 (unreleased) ##
+
+* Deprecate Hash#diff in favor of MiniTest's #diff. *Steve Klabnik*
+
* Kernel#capture can catch output from subprocesses *Dmitry Vorotilin*
* `to_xml` conversions now use builder's `tag!` method instead of explicit invocation of `method_missing`.
diff --git a/activesupport/lib/active_support/core_ext/hash/diff.rb b/activesupport/lib/active_support/core_ext/hash/diff.rb
index 831dee8ecb..a27c55479a 100644
--- a/activesupport/lib/active_support/core_ext/hash/diff.rb
+++ b/activesupport/lib/active_support/core_ext/hash/diff.rb
@@ -6,6 +6,7 @@ class Hash
# {}.diff(1 => 2) # => {1 => 2}
# {1 => 2, 3 => 4}.diff(1 => 2) # => {3 => 4}
def diff(other)
+ ActiveSupport::Deprecation.warn "Hash#diff is no longer used inside of Rails, and is being deprecated with no replacement. If you're using it to compare hashes for the purpose of testing, please use MiniTest's diff instead."
dup.
delete_if { |k, v| other[k] == v }.
merge!(other.dup.delete_if { |k, v| has_key?(k) })