# Second way: Build a string and display it.
# Pro: Eiffel way (rigourous).
# Con: Eiffel way (heavy).
-var s = new FlatBuffer.from("The value of a is: ")
+var s: Buffer = new FlatBuffer.from("The value of a is: ")
s.append(a.to_s)
s.append(".\n")
printn(s)
# Fiveth way: Join arrays.
# Pro: Sometime efficient on complex concatenation.
# Con: Crazy.
-printn(["The value of a is: ", a.to_s, ".\n"].join(""))
+printn(["The value of a is: ", a.to_s, ".\n"].join)