package mantra.util.collections
Stack
CLASS
public class Stack
LIFO (Last-In-First-Out) dynamic collection container supporting constant-time push, pop, and peek operations.
🏗️ Constructor Summary
Constructor Signature
def __init__(self)⚙️ Method Summary
| Modifier & Return Type | Method Signature | Description |
|---|---|---|
Void |
push(item: T) |
Pushes element onto the top of the stack. |
T |
pop() |
Removes and returns top element from stack. |
T |
peek() |
Returns top element without removal. |
Int |
size() |
Returns count of active elements in stack. |
🔍 Detailed Method Specifications
pub def push(item: T) -> Void
Pushes element onto the top of the stack.
pub def pop() -> T
Removes and returns top element from stack.
pub def peek() -> T
Returns top element without removal.
pub def size() -> Int
Returns count of active elements in stack.
💡 Example Usage
stack_example.mantra
let s = Stack()
s.push("Task 1")
s.push("Task 2")
print(s.pop()) # Task 2