Proc and Lamda

Question 1

Which one the method to call the lambda?

Answer 1

my_lambda = -> { puts “Lambda called” }

a) my_lambda.call
b) my_lambda.()
c) my_lambda[]
d) my_lambda.===

Question 2

times_two = ->(x) { x * 2 }
times_two.call(10)

Is this code valid?
What is the output of this code?

Answer 2

Its the other way of defining Lambda.

output
20

Question 3

proc and lambda are supported by a class.
True or False? If so mention the class name

Answer 3

yes. Procedure or simply Proc