Created
October 15, 2013 19:30
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Fancy deep fetching
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| module ApplicationHelper | |
| def fetch_param(*key_names) | |
| result = key_names.reduce(params) { |fetchable, param| | |
| fetchable.fetch(param, {}) | |
| } | |
| result.is_a?(Hash) && result.empty? ? nil : result | |
| end | |
| end |
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