|Portability||portable (depends on GHC)|
A callback that must be passed to
monitorAdd. It will be
called any time a file or directory is changed.
The parameters, from left to right, are: * the handle to a filesystem monitor, * the URI being monitored, * the actual file that was modified, * the event that occured.
|-> IO MonitorHandle|
a handle to the new monitor
Watch the object at
textURI for changes, and call
when a change occurs.