13 lines
193 B
Ruby
13 lines
193 B
Ruby
# typed: strict
|
|
|
|
class Array
|
|
sig { returns(T.nilable(Elem)) }
|
|
def second; end
|
|
|
|
sig { returns(T.nilable(Elem)) }
|
|
def third; end
|
|
|
|
sig { returns(T.nilable(Elem)) }
|
|
def fourth; end
|
|
end
|