gistfile1.txt

% xcrun swift                                                                                                                                                   1 ↵
Welcome to Swift!  Type :help for assistance.
  1> class Foo {
  2.         var num = 1
  3.         var string = "String"
  4. }
  5>
  6> reflect(Foo())[0]
$R1: (String, Mirror) = {
  0 = "num"
  1 = {
    _value = 1
    summaryFunction =
    quickLookFunction =
  }
}
  7> var numKey = reflect(Foo())[0].0
numKey: String = "num"
  8> var numContainer = reflect(Foo())[0].1
numContainer: _LeafMirror<Int> = {
  _value = 1
  summaryFunction =
  quickLookFunction =
}
  9>
 10> var stringKey = reflect(Foo())[1].0
stringKey: String = "string"
 11> var stringContainer = reflect(Foo())[1].1
stringContainer: _LeafMirror<String> = {
  _value = "String"
  summaryFunction =
  quickLookFunction =
}
 12>

gistfile2.swift

class Foo {
	var num = 1
	var string = "String"
}

reflect(Foo())[0]
var numKey = reflect(Foo())[0].0
var numContainer = reflect(Foo())[0].1

var stringKey = reflect(Foo())[1].0
var stringContainer = reflect(Foo())[1].1