Mine
public text v1 · immutableclass Array
def <<(a)
puts "ajout de #{a}"
self.push a
end
end
[1,2,3] << 4
ajout de 4
=> [1,2,3,4]class Array
def <<(a)
puts "ajout de #{a}"
self.push a
end
end
[1,2,3] << 4
ajout de 4
=> [1,2,3,4]