Fixes for Swift 3 final version (Xcode 8)

Author: davecom

Sources/Backtrack.swift

@@ -62,7 +62,7 @@ public func backtrackingSearch<V, D>(csp: CSP<V, D>, assignment: Dictionary<V, D
 
  if (result != False) return result; */
  } else {
- if let result = backtrackingSearch(csp: csp, assignment: localAssignment, mrv: mrv, mac3: mac3, lcv: lcv) {
+ if let result = backtrackingSearch(csp: csp, assignment: localAssignment, mrv: mrv, lcv: lcv, mac3: mac3) {
  return result
  }
  }

SwiftCSP/.DS_Store

@@ -29,7 +29,7 @@ import Cocoa
 class CircuitBoard: NSObject { //get hashable for free and dynamic access
  var height: Int = 1
  var width: Int = 1
- var color: NSColor = NSColor.red()
+ var color: NSColor = NSColor.red
  var location: (Int, Int)?
 
  //generate the domain as a list of tuples of bottom left corners

SwiftCSP/SwiftCSP/CircuitBoard.swift

@@ -58,7 +58,7 @@ class LayoutView: NSView {
  bPath.line(to: NSMakePoint(CGFloat(width), CGFloat((height/boxDimension) * i)))
  }
 
- NSColor.black().set()
+ NSColor.black.set()
  bPath.stroke()
 
  }

SwiftCSP/SwiftCSP/LayoutView.swift

@@ -42,7 +42,7 @@ final class SendMoreMoneyConstraint: ListConstraint <String, Int> {
 
  // if all variables have been assigned, check if it adds up correctly
  if assignment.count == variables.count {
- if let s = assignment["S"], e = assignment["E"], n = assignment["N"], d = assignment["D"], m = assignment["M"], o = assignment["O"], r = assignment["R"], y = assignment["Y"] {
+ if let s = assignment["S"], let e = assignment["E"], let n = assignment["N"], let d = assignment["D"], let m = assignment["M"], let o = assignment["O"], let r = assignment["R"], let y = assignment["Y"] {
  let send: Int = s * 1000 + e * 100 + n * 10 + d
  let more: Int = m * 1000 + o * 100 + r * 10 + e
  let money: Int = m * 10000 + o * 1000 + n * 100 + e * 10 + y
@@ -92,7 +92,7 @@ class SendMoreMoneyTest: XCTestCase {
  if let solution = backtrackingSearch(csp: cs, mrv: true) {
  print(solution, terminator: "")
 
- if let s = solution["S"], e = solution["E"], n = solution["N"], d = solution["D"], m = solution["M"], o = solution["O"], r = solution["R"], y = solution["Y"] {
+ if let s = solution["S"], let e = solution["E"], let n = solution["N"], let d = solution["D"], let m = solution["M"], let o = solution["O"], let r = solution["R"], let y = solution["Y"] {
  let send: Int = s * 1000 + e * 100 + n * 10 + d
  let more: Int = m * 1000 + o * 100 + r * 10 + e
  let money: Int = m * 10000 + o * 1000 + n * 100 + e * 10 + y