diff options
Diffstat (limited to 'activesupport/lib/active_support/ordered_hash.rb')
| -rw-r--r-- | activesupport/lib/active_support/ordered_hash.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/ordered_hash.rb b/activesupport/lib/active_support/ordered_hash.rb index fed8094a24..8d1c0f5160 100644 --- a/activesupport/lib/active_support/ordered_hash.rb +++ b/activesupport/lib/active_support/ordered_hash.rb @@ -10,6 +10,16 @@ module ActiveSupport @keys = [] end + def self.[](*args) + ordered_hash = new + args.each_with_index { |val,ind| + # Only every second value is a key. + next if ind % 2 != 0 + ordered_hash[val] = args[ind + 1] + } + ordered_hash + end + def initialize_copy(other) super # make a deep copy of keys @@ -57,6 +67,10 @@ module ActiveSupport self end + def to_a + @keys.map { |key| [ key, self[key] ] } + end + def each_key @keys.each { |key| yield key } end |