PStore#root?

root?(key)

# File tmp/rubies/ruby-3.3.0/lib/pstore.rb, line 505
def key?(key)
  in_transaction
  @table.key? key
end

Alias of #key?

Returns true if key exists, false otherwise:

Example

example_store do |store|
  store.transaction do
    store.key?(:foo) # => true
  end
end

Raises an exception if called outside a transaction block.

See also #key? #path #roots #open_and_lock_file also in 3.4 · 3.2 · 3.1 · 3.0