instance method `key?`

Ruby on Rails 3.1.12

Since v3.0.20

Compare with:

key?(key)

Checks the hash for a key matching the argument passed in:

hash = HashWithIndifferentAccess.new
hash["key"] = "value"
hash.key? :key  # => true
hash.key? "key" # => true

Parameters

Source

# File activesupport/lib/active_support/hash_with_indifferent_access.rb, line 84
    def key?(key)
      super(convert_key(key))
    end

Defined in activesupport/lib/active_support/hash_with_indifferent_access.rb line 84 · View on GitHub · Improve this page · Find usages on GitHub