Given a class, see if instance has method (Ruby)

Question

I know in Ruby that I can use respond_to? to check if an object has a certain method.

But, given the class, how can I check if the instance has a certai

Answer 1

On my case working with ruby 2.5.3 the following sentences have worked perfectly :

value = "hello world"

value.methods.include? :upcase

It will return a boolean value true or false.