What is the to_hash() method in Ruby?
Overview
The to_hash() method is a hash class method that returns the hash representation of the hash itself.
Syntax
Hash.to_hash()
Parameters
Hash: This is the hash whose hash representation we want to get.
Return value
Self object: This method returns the same hash.
Code example
# create hashesh1 = {one: 1, two: 2, three: 3}h2 = {name: "okwudili", stack: "ruby"}h3 = {"foo": 0, "bar": 1}h4 = {M:"Mango", A: "Apple", B: "Banana"}# invoke to_hash() methodputs h1.to_hash()puts h2.to_hash()puts h3.to_hash()puts h4.to_hash()
Code explanation
- Lines 2–5: We create some hashes.
- Lines 8–11: We invoke the
to_hash()method on the hashes. Then, we print the results to the console.
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