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+# Stack (`std/stack.zc`)
+
+The `std/stack` module provides a LIFO (Last-In, First-Out) stack data structure.
+
+## Usage
+
+```zc
+import "std/stack.zc"
+```
+
+## Types
+
+### Struct `Stack<T>`
+
+A generic stack.
+
+#### Methods
+
+- **`fn new() -> Stack<T>`**
+  Creates a new empty stack.
+
+- **`fn push(self, value: T)`**
+  Pushes a value onto the top of the stack.
+
+- **`fn pop(self) -> Option<T>`**
+  Removes and returns the top element of the stack. Returns `None` if empty.
+
+- **`fn length(self) -> usize`**
+  Returns the number of elements in the stack.
+
+- **`fn is_empty(self) -> bool`**
+  Returns `true` if the stack contains no elements.
+
+- **`fn clear(self)`**
+  Removes all elements from the stack.
+
+- **`fn clone(self) -> Stack<T>`**
+  Creates a deep copy of the stack.