@discardableResult for becomeFirstResponder() and resignFirstResponder()

CHANGELOG.md

@@ -1,7 +1,7 @@
 Master(unreleased)
 -----------------
 
-
+* Added `@discardableResult` to `becomeFirstResponder` and `resignFirstResponder`. This silences Xcode warnings about unused results of those functions and brings the implementation closer to the iOS API.
 
 v2.0
 ----

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldExample/Example0/ShowcaseExampleViewController.swift

@@ -28,7 +28,7 @@ class ShowcaseExampleViewController: UIViewController, UITextFieldDelegate {
 
         self.setupThemeColors()
 
-        _ = self.departureCityField.becomeFirstResponder()
+        self.departureCityField.becomeFirstResponder()
     }
 
     // MARK: - Creating the form elements

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldExample/Example1/SettingTextsViewController.swift

@@ -25,7 +25,7 @@ class SettingTextsViewController: UIViewController {
     }
 
     @IBAction func resignTextField() {
-        _ = self.textField?.resignFirstResponder()
+        self.textField?.resignFirstResponder()
     }
 
     @IBAction func selectedTitleChanged(_ segmentedControl:UISegmentedControl) {

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldExample/Example2/CustomizingColorsViewController.swift

@@ -25,7 +25,7 @@ class CustomizingColorsViewController: UIViewController {
     }
 
     @IBAction func resignTextField() {
-        _ = self.textField?.resignFirstResponder()
+        self.textField?.resignFirstResponder()
     }
 
     @IBAction func titleColorChanged(_ segmentedControl:UISegmentedControl) {

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldExample/Example3/SubclassingViewController.swift

@@ -33,6 +33,6 @@ class SubclassingViewController: UIViewController {
     }
 
     @IBAction func resignTextField() {
-        _ = self.textField?.resignFirstResponder()
+        self.textField?.resignFirstResponder()
     }
 }

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldExample/Example4/CustomLayoutViewController.swift

@@ -25,7 +25,7 @@ class CustomLayoutViewController: UIViewController {
     }
 
     @IBAction func resignTextField() {
-        _ = self.textField?.resignFirstResponder()
+        self.textField?.resignFirstResponder()
     }
 
 }

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldExample/Example5/DelegateMethodsViewController.swift

@@ -33,7 +33,7 @@ class DelegateMethodsViewController: UIViewController, UITextFieldDelegate {
     }
 
     @IBAction func resignTextField() {
-        _ = self.textField?.resignFirstResponder()
+        self.textField?.resignFirstResponder()
     }
 
     func log(text:String) {

SkyFloatingLabelTextField/SkyFloatingLabelTextFieldTests/SkyFloatingLabelTextFieldTests.swift

@@ -229,7 +229,7 @@ class SkyFloatingLabelTextFieldTests: XCTestCase {
         floatingLabelTextField.errorMessage = "Error"
 
         // when
-        _ = floatingLabelTextField.becomeFirstResponder()
+        floatingLabelTextField.becomeFirstResponder()
 
         // then
         XCTAssertEqual(floatingLabelTextField.errorMessage, "Error")
@@ -433,7 +433,7 @@ class SkyFloatingLabelTextFieldTests: XCTestCase {
         let floatingLabelTextFieldSpy = SkyFloatingLabelTextFieldSpy()
 
         // when
-        _ = floatingLabelTextFieldSpy.becomeFirstResponder()
+        floatingLabelTextFieldSpy.becomeFirstResponder()
 
         // then
         XCTAssertTrue(floatingLabelTextFieldSpy.updateColorsInvoked)
@@ -444,7 +444,7 @@ class SkyFloatingLabelTextFieldTests: XCTestCase {
         let floatingLabelTextFieldSpy = SkyFloatingLabelTextFieldSpy()
 
         // when
-        _ = floatingLabelTextFieldSpy.resignFirstResponder()
+        floatingLabelTextFieldSpy.resignFirstResponder()
 
         // then
         XCTAssertTrue(floatingLabelTextFieldSpy.updateColorsInvoked)

Sources/SkyFloatingLabelTextField.swift

@@ -315,6 +315,7 @@ open class SkyFloatingLabelTextField: UITextField {
      Attempt the control to become the first responder
      - returns: True when successfull becoming the first responder
     */
+    @discardableResult
     override open func becomeFirstResponder() -> Bool {
         let result = super.becomeFirstResponder()
         self.updateControl(true)
@@ -325,6 +326,7 @@ open class SkyFloatingLabelTextField: UITextField {
      Attempt the control to resign being the first responder
      - returns: True when successfull resigning being the first responder
      */
+    @discardableResult
     override open func resignFirstResponder() -> Bool {
         let result =  super.resignFirstResponder()
         self.updateControl(true)