https://ember-primitives.pages.dev/assets/collections-GpG8lT2g-Bh99WsAB.js

1function t(t){return t}function n(t){return t}function r(){}function s(t){return!!t&&t.length>0}function u(t){return t}function e(t){return 0===t.length?void 0:t[t.length-1]}function c(t){return 0===t.length?void 0:t[0]}function i(t,n){if(null===t)return null;let r=[];for(let s of t)r.push(n(s));return r}function l(){return Object.create(null)}function a(t){return null!=t}function o(t){return"function"==typeof t||"object"==typeof t&&null!==t}var h=class{stack;current=null;constructor(t=[]){this.stack=t}get size(){return this.stack.length}push(t){this.current=t,this.stack.push(t)}pop(){let t=this.stack.pop();return this.current=e(this.stack)??null,void 0===t?null:t}nth(t){let n=this.stack.length;return n<t?null:this.stack[n-t]}isEmpty(){return 0===this.stack.length}snapshot(){return[...this.stack]}toArray(){return this.stack}};export{n as a,a as c,i as d,t as f,r as i,o as l,u as n,c as o,l as r,e as s,h as t,s as u};