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instance method

PStore#fetch

fetch(name, default=PStore::Error)

# File tmp/rubies/ruby-3.0.5/lib/pstore.rb, line 171
def fetch(name, default=PStore::Error)
  in_transaction
  unless @table.key? name
    if default == PStore::Error
      raise PStore::Error, format("undefined root name `%s'", name)
    else
      return default
    end
  end
  @table[name]
end

This method is just like PStore#[], save that you may also provide a default value for the object. In the event the specified name is not found in the data store, your default will be returned instead. If you do not specify a default, PStore::Error will be raised if the object is not found.

WARNING: This method is only valid in a PStore#transaction. It will raise PStore::Error if called at any other time.

See also #empty_marshal_data #in_transaction #empty_marshal_checksum #in_transaction_wr also in 3.4 · 3.3 · 3.2 · 3.1

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