diff --git a/Sources/SwiftyUIKit/DisclosureView.swift b/Sources/SwiftyUIKit/DisclosureView.swift
deleted file mode 100644
index aec93b1..0000000
--- a/Sources/SwiftyUIKit/DisclosureView.swift
+++ /dev/null
@@ -1,74 +0,0 @@
-//
-//  File.swift
-//
-//
-//  Created by Sergey Kazakov on 30.11.2020.
-//
-
-import UIKit
-
-public extension DisclosureView {
-    enum ExpandingAxis {
-        case horizontal
-        case vertical
-        case all
-    }
-}
-
-public final class DisclosureView: UIView {
-    private let isExpanded: () -> Bool
-    private var conditionalContraints: [NSLayoutConstraint]
-
-    public init(_ isExpanded: @escaping () -> Bool,
-                axis: ExpandingAxis = .all,
-                content: () -> UIView) {
-
-        self.isExpanded = isExpanded
-        let contentView = content()
-        let contraints: [NSLayoutConstraint]
-
-        switch axis {
-        case .horizontal:
-            contraints = [
-                contentView.widthAnchor.constraint(
-                    lessThanOrEqualToConstant: NSLayoutConstraint.defaultLargeConstant)
-            ]
-        case .vertical:
-            contraints = [
-                contentView.heightAnchor.constraint(
-                lessThanOrEqualToConstant: NSLayoutConstraint.defaultLargeConstant)
-            ]
-        case .all:
-            contraints = [
-                contentView.heightAnchor.constraint(
-                    lessThanOrEqualToConstant: NSLayoutConstraint.defaultLargeConstant),
-                contentView.widthAnchor.constraint(
-                    lessThanOrEqualToConstant: NSLayoutConstraint.defaultLargeConstant)
-            ]
-        }
-
-        self.conditionalContraints = contraints
-        super.init(frame: .zero)
-        add(body: contentView)
-
-        contraints.forEach {
-            $0.constant = isExpanded() ? NSLayoutConstraint.defaultLargeConstant : 0
-            $0.priority = .defaultHigh
-            $0.isActive = true
-        }
-    }
-
-    public override func updateConstraints() {
-        super.updateConstraints()
-        print("updateConstraints")
-        conditionalContraints.forEach { $0.constant = isExpanded() ? NSLayoutConstraint.defaultLargeConstant : 0 }
-    }
-
-    required init?(coder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
-    }
-}
-
-fileprivate extension NSLayoutConstraint {
-    static let defaultLargeConstant: CGFloat = 9999
-}
diff --git a/Sources/SwiftyUIKit/HStackView.swift b/Sources/SwiftyUIKit/HStackView.swift
index ecfef0f..6482e5b 100644
--- a/Sources/SwiftyUIKit/HStackView.swift
+++ b/Sources/SwiftyUIKit/HStackView.swift
@@ -7,10 +7,15 @@
 
 import UIKit
 
-extension HStackView {
-    public convenience init(spacing: CGFloat = 0, @ViewContentBuilder content: () -> [UIView]) {
+public extension HStackView {
+    convenience init(spacing: CGFloat = 0, @ViewContentBuilder content: () -> [UIView]) {
         self.init(spacing: spacing, content: content())
     }
+
+    convenience init(spacing: CGFloat = 0, @OptionalViewContentBuilder optionalContent: () -> [UIView]) {
+        self.init(spacing: spacing, content: optionalContent())
+    }
+
 }
 
 public final class HStackView: UIView {
diff --git a/Sources/SwiftyUIKit/UIView+Padding.swift b/Sources/SwiftyUIKit/UIView+Padding.swift
index 8b0c6f4..4dc5f16 100644
--- a/Sources/SwiftyUIKit/UIView+Padding.swift
+++ b/Sources/SwiftyUIKit/UIView+Padding.swift
@@ -27,20 +27,12 @@ public extension UIView {
                              bottomConstant: bottom)
     }
 
-    func padding(vertical: CGFloat = 0) -> UIView {
+    func padding(vertical: CGFloat = 0, horizontal: CGFloat = 0) -> UIView {
         PaddingViewDecorator(decorated: self,
                              topConstant: vertical,
-                             leftConstant: 0,
-                             rightConstant: 0,
-                             bottomConstant: vertical)
-    }
-
-    func padding(horizontal: CGFloat = 0) -> UIView {
-        PaddingViewDecorator(decorated: self,
-                             topConstant: 0,
                              leftConstant: horizontal,
                              rightConstant: horizontal,
-                             bottomConstant: 0)
+                             bottomConstant: vertical)
     }
 }
 
diff --git a/Sources/SwiftyUIKit/VStackView.swift b/Sources/SwiftyUIKit/VStackView.swift
index f0d50c1..ebbd1f9 100644
--- a/Sources/SwiftyUIKit/VStackView.swift
+++ b/Sources/SwiftyUIKit/VStackView.swift
@@ -7,10 +7,14 @@
 
 import UIKit
 
-extension VStackView {
-    public convenience init(spacing: CGFloat = 0, @ViewContentBuilder content: () -> [UIView]) {
+public extension VStackView {
+     convenience init(spacing: CGFloat = 0, @ViewContentBuilder content: () -> [UIView]) {
         self.init(spacing: spacing, content: content())
     }
+
+    convenience init(spacing: CGFloat = 0, @OptionalViewContentBuilder optionalContent: () -> [UIView]) {
+        self.init(spacing: spacing, content: optionalContent())
+    }
 }
 
 public final class VStackView: UIView {
diff --git a/Sources/SwiftyUIKit/ViewContentBuilder.swift b/Sources/SwiftyUIKit/ViewContentBuilder.swift
index 0cc0ba0..6a2bba3 100644
--- a/Sources/SwiftyUIKit/ViewContentBuilder.swift
+++ b/Sources/SwiftyUIKit/ViewContentBuilder.swift
@@ -13,3 +13,10 @@ public struct ViewContentBuilder {
         subviews
     }
 }
+
+@resultBuilder
+public struct OptionalViewContentBuilder {
+    public static func buildBlock(_ subviews: UIView?...) -> [UIView] {
+        subviews.compactMap { $0 }
+    }
+}
diff --git a/Sources/SwiftyUIKit/ZStackView.swift b/Sources/SwiftyUIKit/ZStackView.swift
index 00efca1..766cf1d 100644
--- a/Sources/SwiftyUIKit/ZStackView.swift
+++ b/Sources/SwiftyUIKit/ZStackView.swift
@@ -7,10 +7,14 @@
 
 import UIKit
 
-extension ZStackView {
-    public convenience init(alignment: Alignment = .all, @ViewContentBuilder content: () -> [UIView]) {
+public extension ZStackView {
+     convenience init(alignment: Alignment = .all, @ViewContentBuilder content: () -> [UIView]) {
         self.init(alignment: alignment, content: content())
     }
+
+    convenience init(alignment: Alignment = .all, @OptionalViewContentBuilder optionalContent: () -> [UIView]) {
+        self.init(alignment: alignment, content: optionalContent())
+    }
 }
 
 public final class ZStackView: UIView {