module FetchIn
Constants
- VERSION
Public Class Methods
fetch_in(collection, first_key, *rest) { |last_key| ... }
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# File lib/fetch_in.rb, line 2 def self.fetch_in(collection, first_key, *rest) keys = [first_key] + rest last_key = nil keys.reduce(collection) do |c, k| last_key = k c.fetch(k) end rescue IndexError raise unless block_given? yield last_key end