Ruby | Enumerator each_with_object function
Last Updated :
06 Jan, 2020
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The each_with_object function in Ruby is used to Iterate the given object's each element.
Ruby
Output:
Ruby
Output:
Syntax: A.each_with_object({}) Here, A is the initialised object. Parameters: This function does not accept any parameters. Returns: the new set of values.Example 1:
# Calling the .each_with_object function on an array object
[:gfg, :geeks, :geek].each_with_object({}) do |item, hash|
# Converting the array elements into its uppercase
hash[item] = item.to_s.upcase
end
{:gfg=>"GFG", :geeks=>"GEEKS", :geek=>"GEEK"}
Example 2:
# Calling the .each_with_object function on a hash
{ foo: 2, bar: 4, jazz: 6 }.each_with_object({}) do
|(key, value), hash|
# Getting the square of the hash's value
hash[key] = value**2
end
{:foo=>4, :bar=>16, :jazz=>36}
