diff --git a/SnapKit.xcodeproj/project.pbxproj b/SnapKit.xcodeproj/project.pbxproj
index 728dbf8..9413974 100644
--- a/SnapKit.xcodeproj/project.pbxproj
+++ b/SnapKit.xcodeproj/project.pbxproj
@@ -7,8 +7,8 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
-		779230441BCB6FC30027CF5F /* SourceLocation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 779230431BCB6FC30027CF5F /* SourceLocation.swift */; settings = {ASSET_TAGS = (); }; };
-		779230451BCB6FC30027CF5F /* SourceLocation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 779230431BCB6FC30027CF5F /* SourceLocation.swift */; settings = {ASSET_TAGS = (); }; };
+		779230441BCB6FC30027CF5F /* SourceLocation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 779230431BCB6FC30027CF5F /* SourceLocation.swift */; };
+		779230451BCB6FC30027CF5F /* SourceLocation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 779230431BCB6FC30027CF5F /* SourceLocation.swift */; };
 		EE4910981B19A26000A54F1F /* ViewController+SnapKit.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE4910971B19A26000A54F1F /* ViewController+SnapKit.swift */; };
 		EE4910991B19A40200A54F1F /* SnapKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EEBCC9D819CC627D0083B827 /* SnapKit.framework */; };
 		EE94F6091AC0F10A008767FF /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EE94F6081AC0F10A008767FF /* UIKit.framework */; };
diff --git a/Source/Constraint.swift b/Source/Constraint.swift
index 8332df0..33a5e62 100644
--- a/Source/Constraint.swift
+++ b/Source/Constraint.swift
@@ -60,7 +60,7 @@ public class Constraint {
     
     internal var makerLocation: SourceLocation = SourceLocation(file: "Unknown", line: 0)
     
-    internal(set) public var location : SourceLocation?
+    internal(set) public var location: SourceLocation?
 }
 
 /**
@@ -128,15 +128,15 @@ internal class ConcreteConstraint: Constraint {
     internal override func updatePriorityLow() -> Void {
         self.updatePriority(Float(250.0))
     }
-    
+
     internal override func install() -> [LayoutConstraint] {
         return self.installOnView(updateExisting: false, location: self.makerLocation)
     }
-    
+
     internal override func uninstall() -> Void {
         self.uninstallFromView()
     }
-    
+
     internal override func activate() -> Void {
         guard self.installInfo != nil else {
             self.install()
@@ -153,7 +153,7 @@ internal class ConcreteConstraint: Constraint {
             NSLayoutConstraint.activateConstraints(layoutConstraints)
         }
     }
-    
+
     internal override func deactivate() -> Void {
         guard self.installInfo != nil else {
             return
@@ -195,7 +195,7 @@ internal class ConcreteConstraint: Constraint {
     
     private var installInfo: ConcreteConstraintInstallInfo? = nil
     
-    internal init(fromItem: ConstraintItem, toItem: ConstraintItem, relation: ConstraintRelation, constant: Any, multiplier: Float, priority: Float, location : SourceLocation?) {
+    internal init(fromItem: ConstraintItem, toItem: ConstraintItem, relation: ConstraintRelation, constant: Any, multiplier: Float, priority: Float, location: SourceLocation?) {
         self.fromItem = fromItem
         self.toItem = toItem
         self.relation = relation
diff --git a/Source/ConstraintDescription.swift b/Source/ConstraintDescription.swift
index 5a79b55..153cea7 100644
--- a/Source/ConstraintDescription.swift
+++ b/Source/ConstraintDescription.swift
@@ -27,87 +27,83 @@ import UIKit
 import AppKit
 #endif
 
-// Type of object that can be a target of relation constraint. 
-// Doesn't cover system protocols which can't be extended with additional conformances.
 public protocol RelationTarget {
-    var constraintItem : ConstraintItem { get }
+    var constraintItem: ConstraintItem { get }
 }
 
-// Type of things that can be converted to floats. Used to provide a catch all for
-// different numeric types.
-public protocol FloatConvertible : RelationTarget {
-    var floatValue : Float { get }
+public protocol FloatConvertible: RelationTarget {
+    var floatValue: Float { get }
 }
 
 extension FloatConvertible {
-    public var constraintItem : ConstraintItem {
+    public var constraintItem: ConstraintItem {
         return ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
     }
 }
 
-extension Float : FloatConvertible, RelationTarget {
-    public var floatValue : Float {
+extension Float: FloatConvertible, RelationTarget {
+    public var floatValue: Float {
         return self
     }
 }
 
-extension Int : FloatConvertible, RelationTarget {
-    public var floatValue : Float {
+extension Int: FloatConvertible, RelationTarget {
+    public var floatValue: Float {
         return Float(self)
     }
 }
 
-extension UInt : FloatConvertible, RelationTarget {
-    public var floatValue : Float {
+extension UInt: FloatConvertible, RelationTarget {
+    public var floatValue: Float {
         return Float(self)
     }
 }
 
-extension Double : FloatConvertible, RelationTarget {
-    public var floatValue : Float {
+extension Double: FloatConvertible, RelationTarget {
+    public var floatValue: Float {
         return Float(self)
     }
 }
 
-extension CGFloat : FloatConvertible, RelationTarget {
-    public var floatValue : Float {
+extension CGFloat: FloatConvertible, RelationTarget {
+    public var floatValue: Float {
         return Float(self)
     }
 }
 
 @available(iOS 9.0, OSX 10.11, *)
-extension NSLayoutAnchor : RelationTarget {
-    public var constraintItem : ConstraintItem {
+extension NSLayoutAnchor: RelationTarget {
+    public var constraintItem: ConstraintItem {
         return ConstraintItem(object: self, attributes: ConstraintAttributes.None)
     }
 }
 
-extension CGPoint : RelationTarget {
-    public var constraintItem : ConstraintItem {
+extension CGPoint: RelationTarget {
+    public var constraintItem: ConstraintItem {
         return ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
     }
 }
 
-extension CGSize : RelationTarget {
-    public var constraintItem : ConstraintItem {
+extension CGSize: RelationTarget {
+    public var constraintItem: ConstraintItem {
         return ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
     }
 }
 
-extension EdgeInsets : RelationTarget {
-    public var constraintItem : ConstraintItem {
+extension EdgeInsets: RelationTarget {
+    public var constraintItem: ConstraintItem {
         return ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
     }
 }
 
-extension View : RelationTarget {
-    public var constraintItem : ConstraintItem {
+extension View: RelationTarget {
+    public var constraintItem: ConstraintItem {
         return ConstraintItem(object: self, attributes: ConstraintAttributes.None)
     }
 }
 
-extension ConstraintItem : RelationTarget {
-    public var constraintItem : ConstraintItem {
+extension ConstraintItem: RelationTarget {
+    public var constraintItem: ConstraintItem {
         return self
     }
 }
@@ -117,9 +113,9 @@ extension ConstraintItem : RelationTarget {
  */
 public class ConstraintDescriptionFinalizable {
     
-    private let backing : ConstraintDescription
+    private let backing: ConstraintDescription
     
-    internal init(_ backing : ConstraintDescription) {
+    internal init(_ backing: ConstraintDescription) {
         self.backing = backing
     }
     
@@ -164,7 +160,7 @@ public class ConstraintDescriptionEditable: ConstraintDescriptionPriortizable {
         return self.multipliedBy(1 / amount.floatValue)
     }
     
-    public func offset(amount : FloatConvertible) -> ConstraintDescriptionEditable {
+    public func offset(amount: FloatConvertible) -> ConstraintDescriptionEditable {
         return ConstraintDescriptionEditable(self.backing.offset(amount))
     }
     public func offset(amount: CGPoint) -> ConstraintDescriptionEditable {
@@ -190,38 +186,37 @@ public class ConstraintDescriptionEditable: ConstraintDescriptionPriortizable {
 */
 public class ConstraintDescriptionRelatable {
 
-    private let backing : ConstraintDescription
+    private let backing: ConstraintDescription
     
-    init(_ backing : ConstraintDescription) {
+    init(_ backing: ConstraintDescription) {
         self.backing = backing
     }
     
-
-    public func equalTo(other: RelationTarget, file : String = __FILE__, line : UInt = __LINE__) -> ConstraintDescriptionEditable {
+    public func equalTo(other: RelationTarget, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
         let location = SourceLocation(file: file, line: line)
-        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation : .Equal, location: location))
+        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .Equal, location: location))
     }
-    public func equalTo(other: LayoutSupport, file : String = __FILE__, line : UInt = __LINE__) -> ConstraintDescriptionEditable {
+    public func equalTo(other: LayoutSupport, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
         let location = SourceLocation(file: file, line: line)
-        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation : .Equal, location: location))
+        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .Equal, location: location))
     }
     
-    public func lessThanOrEqualTo(other: RelationTarget, file : String = __FILE__, line : UInt = __LINE__) -> ConstraintDescriptionEditable {
+    public func lessThanOrEqualTo(other: RelationTarget, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
         let location = SourceLocation(file: file, line: line)
-        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation : .LessThanOrEqualTo, location: location))
+        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .LessThanOrEqualTo, location: location))
     }
-    public func lessThanOrEqualTo(other: LayoutSupport, file : String = __FILE__, line : UInt = __LINE__) -> ConstraintDescriptionEditable {
+    public func lessThanOrEqualTo(other: LayoutSupport, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
         let location = SourceLocation(file: file, line: line)
-        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation : .LessThanOrEqualTo, location: location))
+        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .LessThanOrEqualTo, location: location))
     }
     
-    public func greaterThanOrEqualTo(other: RelationTarget, file : String = __FILE__, line : UInt = __LINE__) -> ConstraintDescriptionEditable {
+    public func greaterThanOrEqualTo(other: RelationTarget, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
         let location = SourceLocation(file: file, line: line)
-        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation : .GreaterThanOrEqualTo, location: location))
+        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .GreaterThanOrEqualTo, location: location))
     }
-    public func greaterThanOrEqualTo(other: LayoutSupport, file : String = __FILE__, line : UInt = __LINE__) -> ConstraintDescriptionEditable {
+    public func greaterThanOrEqualTo(other: LayoutSupport, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
         let location = SourceLocation(file: file, line: line)
-        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation : .GreaterThanOrEqualTo, location: location))
+        return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .GreaterThanOrEqualTo, location: location))
     }
 }
 
@@ -307,7 +302,7 @@ public class ConstraintDescriptionExtendable: ConstraintDescriptionRelatable {
  */
 internal class ConstraintDescription {
     
-    private var location : SourceLocation?
+    private var location: SourceLocation? = nil
     
     private var left: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Left) }
     private var top: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Top) }
@@ -480,7 +475,7 @@ internal class ConstraintDescription {
         return self
     }
     
-    private func constrainTo(other: RelationTarget, relation: ConstraintRelation, location : SourceLocation) -> ConstraintDescription {
+    private func constrainTo(other: RelationTarget, relation: ConstraintRelation, location: SourceLocation) -> ConstraintDescription {
         
         self.location = location
         
@@ -507,7 +502,7 @@ internal class ConstraintDescription {
     }
     
     @available(iOS 7.0, *)
-    private func constrainTo(other: LayoutSupport, relation: ConstraintRelation, location : SourceLocation) -> ConstraintDescription {
+    private func constrainTo(other: LayoutSupport, relation: ConstraintRelation, location: SourceLocation) -> ConstraintDescription {
         return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation, location: location)
     }
     
diff --git a/Source/ConstraintMaker.swift b/Source/ConstraintMaker.swift
index 1c5c4b7..ec20db1 100644
--- a/Source/ConstraintMaker.swift
+++ b/Source/ConstraintMaker.swift
@@ -135,7 +135,7 @@ public class ConstraintMaker {
     }
     
     internal class func prepareConstraints(view view: View, location: SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
-        let maker = ConstraintMaker(view: view, location : location)
+        let maker = ConstraintMaker(view: view, location: location)
         closure(make: maker)
         
         let constraints = maker.constraintDescriptions.map { $0.constraint }
@@ -157,7 +157,7 @@ public class ConstraintMaker {
         }
     }
     
-    internal class func remakeConstraints(view view: View, location : SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) {
+    internal class func remakeConstraints(view view: View, location: SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) {
         view.translatesAutoresizingMaskIntoConstraints = false
         let maker = ConstraintMaker(view: view, location: location)
         closure(make: maker)
diff --git a/Source/SourceLocation.swift b/Source/SourceLocation.swift
index 2feeb41..b148e49 100644
--- a/Source/SourceLocation.swift
+++ b/Source/SourceLocation.swift
@@ -23,10 +23,10 @@
 
 public struct SourceLocation {
     
-    public let file : String
-    public let line : UInt
+    public let file: String
+    public let line: UInt
     
-    init(file : String, line : UInt) {
+    init(file: String, line: UInt) {
         self.file = file
         self.line = line
     }