print! 1 2 # ERR

f = 1
print! f 2 # ERR

f2 x: Int = x
print! f2(1) 2 # ERR

f3 x = x
print! f3(1) 2 # ERR

f4 x = (y) => x
print! f4(1) 2 # OK

_ = Array() [1, 2] # ERR