diff options
| -rw-r--r-- | activesupport/CHANGELOG.md | 9 | ||||
| -rw-r--r-- | activesupport/lib/active_support/core_ext/hash/compact.rb | 40 |
2 files changed, 29 insertions, 20 deletions
diff --git a/activesupport/CHANGELOG.md b/activesupport/CHANGELOG.md index 13d152f4c6..83ff80e31a 100644 --- a/activesupport/CHANGELOG.md +++ b/activesupport/CHANGELOG.md @@ -1,3 +1,8 @@ +* Use `Hash#compact` and `Hash#compact!` from Ruby 2.4. Old Ruby versions + will continue to get these methods from Active Support as before. + + *Prathamesh Sonpatki* + * Fix `ActiveSupport::TimeZone#strptime`. Support for timestamps in format of seconds (%s) and milliseconds (%Q). @@ -21,10 +26,10 @@ Time.zone = "US/Eastern" t = Time.zone.local(2016,11,6,1) - # => Sun, 06 Nov 2016 01:00:00 EDT -05:00 + # => Sun, 06 Nov 2016 01:00:00 EDT -05:00 t.in(1.hour) - # => Sun, 06 Nov 2016 01:00:00 EST -05:00 + # => Sun, 06 Nov 2016 01:00:00 EST -05:00 Fixes #26580. diff --git a/activesupport/lib/active_support/core_ext/hash/compact.rb b/activesupport/lib/active_support/core_ext/hash/compact.rb index 78b3387c3b..5cae495bda 100644 --- a/activesupport/lib/active_support/core_ext/hash/compact.rb +++ b/activesupport/lib/active_support/core_ext/hash/compact.rb @@ -1,23 +1,27 @@ class Hash - # Returns a hash with non +nil+ values. - # - # hash = { a: true, b: false, c: nil } - # hash.compact # => { a: true, b: false } - # hash # => { a: true, b: false, c: nil } - # { c: nil }.compact # => {} - # { c: true }.compact # => { c: true } - def compact - select { |_, value| !value.nil? } + unless Hash.instance_methods(false).include?(:compact) + # Returns a hash with non +nil+ values. + # + # hash = { a: true, b: false, c: nil } + # hash.compact # => { a: true, b: false } + # hash # => { a: true, b: false, c: nil } + # { c: nil }.compact # => {} + # { c: true }.compact # => { c: true } + def compact + select { |_, value| !value.nil? } + end end - # Replaces current hash with non +nil+ values. - # Returns nil if no changes were made, otherwise returns the hash. - # - # hash = { a: true, b: false, c: nil } - # hash.compact! # => { a: true, b: false } - # hash # => { a: true, b: false } - # { c: true }.compact! # => nil - def compact! - reject! { |_, value| value.nil? } + unless Hash.instance_methods(false).include?(:compact!) + # Replaces current hash with non +nil+ values. + # Returns nil if no changes were made, otherwise returns the hash. + # + # hash = { a: true, b: false, c: nil } + # hash.compact! # => { a: true, b: false } + # hash # => { a: true, b: false } + # { c: true }.compact! # => nil + def compact! + reject! { |_, value| value.nil? } + end end end |