introspection/builtin_class_method/builtin_class_method.rb

tests/_examples/introspection/builtin_class_method/builtin_class_method.rb in the metorex repository.

puts([1, 2, 3].class)
puts("hello".class)
puts(42.class)
puts(3.14.class)
puts(true.class)
puts(nil.class)
puts((1..5).class)
h = {"a" => 1}
puts(h.class)
puts(Set.new().class)

Output:

Array
String
Integer
Float
TrueClass
NilClass
Range
Hash
Set