Which of the following is the correct syntax to use dig on a hash h = {x: {y: 10}} to access the value 10?

easy📝 Syntax Q3 of 15

Ruby - Hashes

Which of the following is the correct syntax to use dig on a hash h = {x: {y: 10}} to access the value 10?

Ah.dig[:x, :y]

Bh.dig(:x, y)

Ch.dig(:x)[y]

Dh.dig(:x, :y)

Step-by-Step Solution

Solution:

Step 1: Recall dig method call syntax
dig is called with parentheses and keys as arguments, like dig(:x, :y).
Step 2: Identify correct syntax among options
Only h.dig(:x, :y) uses correct method call syntax with symbols as keys.
Final Answer:
h.dig(:x, :y) -> Option D
Quick Check:
Use parentheses and symbols in dig call [OK]

Quick Trick: Call dig with parentheses and keys as symbols [OK]

Common Mistakes:

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