在terminal中编写并运行swift

➜  swift  $ pwd
/Users/cyper/swift
➜  swift  $ which swift
/usr/bin/swift
➜  swift  $ swift --version
Apple Swift version 2.0 (swiftlang-700.0.59 clang-700.0.72)
Target: x86_64-apple-darwin15.0.0
➜  swift  $ ./example.swift hi cyper
./example.swift
hi
cyper
➜  swift  $ cat example.swift
#!/usr/bin/swift

// A swift comonet!

import Foundation

for arg in Process.arguments {
  print(arg)
}

exit(0)
➜  swift  $