diff --git a/Sources/Core/Model/Idle.swift b/Sources/Core/Model/Idle.swift
index c28d98d..556f1ac 100644
--- a/Sources/Core/Model/Idle.swift
+++ b/Sources/Core/Model/Idle.swift
@@ -78,6 +78,20 @@ public struct Idle {
     /// An idle handler.
     class IdleHandler {
 
+        /// Execute the function.
+        /// - Parameter pointer: The closure wrapper's pointer.
+        static func run(pointer: gpointer?) -> Int32 {
+            if let pointer {
+                let container = Unmanaged<ClosureContainer>.fromOpaque(pointer).takeUnretainedValue()
+                let result = container.closure()
+                if !result {
+                    Unmanaged<ClosureContainer>.fromOpaque(pointer).release()
+                }
+                return result.cBool
+            }
+            return G_SOURCE_REMOVE
+        }
+
         /// Add a function to be called whenever there are no higher priority events pending to the default main loop.
         /// - Parameter closure: The function.
         func add(_ closure: @escaping () -> Bool, priority: Int32, delay: Int64? = nil) {
@@ -93,20 +107,6 @@ public struct Idle {
             }
         }
 
-        /// Execute the function.
-        /// - Parameter pointer: The closure wrapper's pointer.
-        static func run(pointer: gpointer?) -> Int32 {
-            if let pointer {
-                let container = Unmanaged<ClosureContainer>.fromOpaque(pointer).takeUnretainedValue()
-                let result = container.closure()
-                if !result {
-                    Unmanaged<ClosureContainer>.fromOpaque(pointer).release()
-                }
-                return result.cBool
-            }
-            return G_SOURCE_REMOVE
-        }
-
     }
 
     /// A reference type holding a closure.
diff --git a/Sources/Core/View/HStack.swift b/Sources/Core/View/HStack.swift
index aadf90c..df34219 100644
--- a/Sources/Core/View/HStack.swift
+++ b/Sources/Core/View/HStack.swift
@@ -10,18 +10,27 @@ public struct HStack: SimpleView {
 
     /// The content.
     var content: () -> Body
+    /// The spacing between elements.
+    var spacing: Int
     /// Whether the linked style should be used.
     var linked = false
 
     /// The view's body.
     public var view: Body {
-        ModifierWrapper(content: VStack(horizontal: true, content: content), style: "linked", styleActive: linked)
+        ModifierWrapper(
+            content: VStack(horizontal: true, spacing: spacing, content: content),
+            style: "linked",
+            styleActive: linked
+        )
     }
 
     /// Initialize a `HStack`.
-    /// - Parameter content: The view content.
-    public init(@ViewBuilder content: @escaping () -> Body) {
+    /// - Parameters:
+    ///     - spacing: The spacing between elements.
+    ///     - content: The view content.
+    public init(spacing: Int = 0, @ViewBuilder content: @escaping () -> Body) {
         self.content = content
+        self.spacing = spacing
     }
 
     /// Link the children.
diff --git a/Sources/Core/View/VStack.swift b/Sources/Core/View/VStack.swift
index e28cc64..3b93831 100644
--- a/Sources/Core/View/VStack.swift
+++ b/Sources/Core/View/VStack.swift
@@ -13,17 +13,19 @@ public typealias VStack = Box
 extension VStack {
 
     /// Initialize a `VStack`.
-    /// - Parameter content: The view content.
-    public init(@ViewBuilder content: @escaping () -> Body) {
-        self.init(horizontal: false, content: content)
+    /// - Parameters:
+    ///     - spacing: The spacing between elements.
+    ///     - content: The view content.
+    public init(spacing: Int = 0, @ViewBuilder content: @escaping () -> Body) {
+        self.init(horizontal: false, spacing: spacing, content: content)
     }
 
     /// Initialize a `VStack`.
     /// - Parameters:
     ///     - horizontal: Whether the box is horizontal.
     ///     - content: The view content.
-    init(horizontal: Bool, @ViewBuilder content: @escaping () -> Body) {
-        self.init(spacing: 0)
+    init(horizontal: Bool, spacing: Int, @ViewBuilder content: @escaping () -> Body) {
+        self.init(spacing: spacing)
         self = self.append(content)
         if horizontal {
             appearFunctions.append { storage, _ in