method
dig
v2_6_3 -
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Class: Struct
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378
- 1_9_2_180
- 1_9_3_125
- 1_9_3_392
- 2_1_10
- 2_2_9
- 2_4_6 (0)
- 2_5_5 (0)
- 2_6_3 (0)
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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.
Foo = Struct.new(:a) f = Foo.new(Foo.new({b: [1, 2, 3]})) f.dig(:a, :a, :b, 0) # => 1 f.dig(:b, 0) # => nil f.dig(:a, :a, :b, :c) # TypeError: no implicit conversion of Symbol into Integer