Collapse

This gem adds a method collapse! to Hash.
Using collapse! merges a sub-hash with self while applying set union to any common arrays.

Example

example_config.yml

:foo:
	- a
	- b
	- d
:bar:
	:foo:
		- b
		- d
		- e

	tmp = YAML.load_file 'example_config.yml'
	tmp.inspect		# => {:foo => ['a', 'b', 'd'], :bar => {:foo => ['b', 'd', 'e']}}
	tmp.collapse! :bar
	tmp.inspect		# => {:foo => ['a', 'b', 'd', 'e']}

Author

Amiel Martin