method

deep_stringify_keys!

v5.2.3 - Show latest stable - Class: Hash

deep_stringify_keys!()

public

Destructively converts all keys to strings. This includes the keys from the root hash and from all nested hashes and arrays.

# File activesupport/lib/active_support/core_ext/hash/keys.rb, line 120
  def deep_stringify_keys!
    deep_transform_keys!(&:to_s)
  end