diff options
Diffstat (limited to 'activesupport/lib')
-rw-r--r-- | activesupport/lib/active_support/ordered_hash.rb | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/ordered_hash.rb b/activesupport/lib/active_support/ordered_hash.rb index 8d1c0f5160..4324e40cbb 100644 --- a/activesupport/lib/active_support/ordered_hash.rb +++ b/activesupport/lib/active_support/ordered_hash.rb @@ -12,11 +12,25 @@ module ActiveSupport def self.[](*args) ordered_hash = new - args.each_with_index { |val,ind| - # Only every second value is a key. - next if ind % 2 != 0 + + if (args.length == 1 && args.first.is_a?(Array)) + args.first.each do |key_value_pair| + next unless (key_value_pair.is_a?(Array)) + ordered_hash[key_value_pair[0]] = key_value_pair[1] + end + + return ordered_hash + end + + unless (args.size % 2 == 0) + raise ArgumentError.new("odd number of arguments for Hash") + end + + args.each_with_index do |val, ind| + next if (ind % 2 != 0) ordered_hash[val] = args[ind + 1] - } + end + ordered_hash end |