Module: Diggable

Defined in:
lib/mug/diggable.rb

Overview

Extend any class or object that implements a #[] method, to also have #dig

Instance Method Summary collapse

Instance Method Details

#dig(*idx) ⇒ Object

Extracts the nested value specified by the sequence of idx objects by calling dig at each step, returning nil if any intermediate step is nil.



12
13
14
15
16
 
# File 'lib/mug/diggable.rb', line 12

def dig *idx
  inner = self[idx.shift]
  return inner if idx.empty? || inner.nil?
  inner.dig(*idx)
end