How do you pass a proc as an argument to a method in Ruby?

Question

Admin · Accepted Answer

By prefixing the proc variable with an ampersand &

Admin · Answer

By prefixing the proc variable with a hash #

Admin · Answer

By using the pass_proc method

Admin · Answer

By enclosing the proc variable in parentheses ()

Q. How do you pass a proc as an argument to a method in Ruby?