method

stringify_keys!

v5.2.3 - Show latest stable - Class: Hash

stringify_keys!()

public

Destructively converts all keys to strings. Same as stringify_keys, but modifies self.

# File activesupport/lib/active_support/core_ext/hash/keys.rb, line 45
  def stringify_keys!
    transform_keys!(&:to_s)
  end