The module allows You to create callback's hierarchy. Also the module
groups error and result callbacks into one object.
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Also the module checks if one callback was called by watcher or not.
If a watcher doesn't call result or error callback, error callback will
be called automatically.
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Also the module checks if a callback was called reentrant. In the case
the module will complain (using "carp" in Carp).
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If a watcher touches error callback and if superior didn't define error
callback, the module will call error callback upwards hierarchy.
Installed Size: 24.6 kB
Architectures: all