Module: SuggestDbIndices::Clojure

Defined in:
lib/suggest_db_indices/clojure.rb

Overview

Learnings from Clojure for make great benefit ruby

Class Method Summary collapse

Class Method Details

.get_in(enumerable, keys, default = nil) ⇒ Object

Get multiple keys, e.g., h = => {:a => 5} Clojure.get_in(h, [:b, :a]) # => 5 Clojure.get_in(h, [:b, :a, :c]) # => nil Clojure.get_in(h, [:b, :a, :c], 1) # => 1



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# File 'lib/suggest_db_indices/clojure.rb', line 10

def get_in enumerable, keys, default = nil
  current = enumerable
  while key = keys.shift
    unless current.is_a? Enumerable
      current = nil
      break
    end
    current = current[key]
  end
  current || default
end