✅ Operator ?? functions
I came across ?? operators whilst I try to understand solutions like https://leetcode.com/problems/n-ary-tree-preorder-traversal/solutions/3065645/not-fast-but-good-solution-without-any-recursion/
For example there is this line of code `
In this case the ?? operator is ordering the IDE like "hey, the value root.children[0].children can be the value of root.children at the ith position ?
For example there is this line of code `
In this case the ?? operator is ordering the IDE like "hey, the value root.children[0].children can be the value of root.children at the ith position ?
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