Add closures

OTPSwiftView/Sources/Views/OTPSwiftView/OTPSwiftView.swift

@@ -33,7 +33,7 @@ open class OTPSwiftView<View: OTPView>: BaseInitializableControl {
     public private(set) var codeStackView = UIStackView()
     public private(set) var textFieldsCollection: [View] = []
     
-    public var onTextEnter: ValueClosure<String>?
+    public var onTextEnter: ParameterClosure<String>?
     
     public var code: String {
         get {

OTPSwiftView/Sources/Views/OTPTextField/OTPTextField.swift

@@ -31,7 +31,7 @@ open class OTPTextField: UITextField {
     public weak var nextTextField: OTPTextField?
     
     public var onTextChangedSignal: VoidClosure?
-    public var validationClosure: ValidationClosure<String>?
+    public var validationClosure: Closure<String, Bool>?
     public var caretHeight: CGFloat?
     
     public var lastNotEmpty: OTPTextField {

TISwiftUtils/Sources/Helpers/Typealias.swift

@@ -22,6 +22,30 @@
 
 import UIKit
 
-public typealias ValueClosure<T> = ((T) -> Void)
-public typealias VoidClosure = (() -> Void)
-public typealias ValidationClosure<T> = ((T) -> Bool)
+/// Closure with custom arguments and return value.
+public typealias Closure<Input, Output> = (Input) -> Output
+
+/// Closure with no arguments and custom return value.
+public typealias ResultClosure<Output> = () -> Output
+
+/// Closure that takes custom arguments and returns Void.
+public typealias ParameterClosure<Input> = Closure<Input, Void>
+
+// MARK: Throwable versions
+
+/// Closure with custom arguments and return value, may throw an error.
+public typealias ThrowableClosure<Input, Output> = (Input) throws -> Output
+
+/// Closure with no arguments and custom return value, may throw an error.
+public typealias ThrowableResultClosure<Output> = () throws -> Output
+
+/// Closure that takes custom arguments and returns Void, may throw an error.
+public typealias ThrowableParameterClosure<Input> = ThrowableClosure<Input, Void>
+
+// MARK: Concrete closures
+
+/// Closure that takes no arguments and returns Void.
+public typealias VoidClosure = ResultClosure<Void>
+
+/// Closure that takes no arguments, may throw an error and returns Void.
+public typealias ThrowableVoidClosure = () throws -> Void