instance method `key?`

Ruby on Rails 2.3.18

Since v2.2.3 Last seen in v4.2.9

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/core_ext/hash/indifferent_access.rb, line 59
  def key?(key)
    super(convert_key(key))
  end

Defined in activesupport/lib/active_support/core_ext/hash/indifferent_access.rb line 59 · View on GitHub · Improve this page · Find usages on GitHub