Project: Countdown!
Write a program to countdown from 10 to 0. Print each number on a line by itself. Print "Blastoff!" for 0. Use only string literals in your solution.
Output
$ swiftc Countdown.swift -I . -L . -lUtils
error: link command failed with exit code 1 (use -v to see invocation)
ld: library not found for -lUtils
clang: error: linker command failed with exit code 1 (use -v to see invocation)