class Test
def self.foo(x)
x
end
def Test.bar(x)
x
end
#class << self
# alias baz bar
#end
end
Test.foo(1)
Test.bar("str")
#Test.baz(:sym)
# Test#foo: (Integer) -> Integer
__END__
# Classes
class Test
def self.foo: (Integer x) -> Integer
def self.bar: (String x) -> String
end