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Created June 3, 2014 14:34
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How to use swift in your terminal

setup

First, install Xcode 6 beta.

And run it.

sudo xcode-select -switch /Applications/Xcode6-Beta.app/Contents/Developer

By xcrun swift, repl will start.

$ xcrun swift
Welcome to Swift!  Type :help for assistance.
  1> var x = 3
x: Int = 3

How to compile

Write swift code.

foo.swift

func x() -> Int {
	return 3
}

println("hello")

compile

$ xcrun swift foo.swift
$ ./foo
hello

It works! yey!

@colinta
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colinta commented Jun 4, 2014

println("\(C_ARGC)")
var index : Int
for index in 0..C_ARGC {
  println("\(index): \(C_ARGV[index])")
}
> swift swift-test.swift
swift-test.swift:4:31: error: 'Int32' is not convertible to 'Int'
  println("\(index): \(C_ARGV[index])")
                              ^

😫

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