abort() public

Ends the current PStore#transaction, discarding any changes to the data store.

Example:

 require "pstore"

 store = PStore.new("data_file.pstore")
 store.transaction do  # begin transaction
   store[:one] = 1     # this change is not applied, see below...
   store[:two] = 2     # this change is not applied, see below...

   store.abort         # end transaction here, discard all changes

   store[:three] = 3   # this change is never reached
 end

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

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