method
dig
v2_5_5 -
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Class: Hash
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
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dig(*args)
public
Extracts the nested value specified by the sequence of key objects by calling dig at each step, returning nil if any intermediate step is nil.
h = { foo: {bar: {baz: 1}}} h.dig(:foo, :bar, :baz) #=> 1 h.dig(:foo, :zot, :xyz) #=> nil g = { foo: [10, 11, 12] } g.dig(:foo, 1) #=> 11 g.dig(:foo, 1, 0) #=> TypeError: Integer does not have #dig method g.dig(:foo, :bar) #=> TypeError: no implicit conversion of Symbol into Integer