Retrieving Keys : Hash Keys « Hash « Ruby






Retrieving Keys

x = { "a" => 1, "b" => 2, "c" => 3 }
puts x.keys.inspect

 








Related examples in the same category

1.Return an array containing all the keys in a hash with keys:
2.Extract data from the hash by using its keys.
3.Use number as hash key
4.Join hash keys together
5.RuntimeError: hash modified during iteration
6.Get all keys from a hash
7.Time value key
8.Searching a Hash with Regular Expressions
9.What if a key does not exist
10.Hash as a key