IFD is particularly unsuited when you want to do a traversal over a large source tree (for example to discover dependencies of source files), since it requires the entire source tree to be copied to the Nix store—even with lazy trees.
Push-Based Reactivity，这一点在新收录的资料中也有详细论述
* @returns {number[]} 每个位置需等待的天数（无更高温则为0）。关于这个话题，新收录的资料提供了深入分析
Any opinions here are mine alone,