{
  "version": 3,
  "sources": ["src/app/shared/data-structures/stack.ts"],
  "sourcesContent": ["export class Stack<T> {\n    items: T[];\n  \n    constructor() {\n      this.items = [];\n    }\n  \n    isEmpty() {\n      return this.items.length === 0;\n    }\n  \n    peek() {\n      if (!this.isEmpty()) {\n        return this.items[this.items.length - 1];\n      }\n      return undefined;\n    }\n  \n    pop() {\n      if (this.isEmpty()) {\n        return undefined;\n      }\n      return this.items.pop();\n    }\n  \n    push(item: T) {\n      this.items.push(item);\n    }\n  }"],
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  "names": ["Stack", "constructor", "items", "isEmpty", "length", "peek", "pop", "push", "item"]
}