# ri > Concurrent::Promises::Future::FlatShortcuts

## [Concurrent::Promises::Future::FlatShortcuts](https://www.chedong.com/phpMan.php/perldoc/Concurrent%3A%3APromises%3A%3AFuture%3A%3AFlatShortcuts/markdown)

(from /home/chedong/.local/share/rdoc)
------------------------------------------------------------------------
@!macro warn.edge
------------------------------------------------------------------------
## Instance methods:

  then_flat
  then_flat_event
  then_flat_event_on
  then_flat_future
  then_flat_future_on
  then_flat_on