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Buat File | Buat Folder

Dir : ~/lib/ruby/gems/3.0.0/gems/typeprof-0.12.0/smoke/

View File Name : respond_to.rb

def foo(n)
  if n.respond_to?(:times)
    n.times {|_| n = :sym }
  elsif n.respond_to?(:+)
    n + "foo"
  else
    n & false
  end
end


foo(1)
foo("str")
foo(true)

# no error expected

__END__
# Classes
class Object
  private
  def foo: (Integer | String | true n) -> (Integer | String | bool)
end