Flutter GetMinintrisicWidth真的那么贵吗?

Flutter GetMinintrisicWidth真的那么贵吗?,flutter,flutter-layout,Flutter,Flutter Layout,在颤振文档中,我读到: abstract class RenderBox extends RenderObject { ... /// Calling this function is expensive as it can result in O(N^2) behavior. ... double getMinIntrinsicWidth(double height) { 我找不到更多的信息来说明这是什么时候以及为什么如此昂贵,甚至在大的O中N意味着什么。高度(

在颤振文档中,我读到:

abstract class RenderBox extends RenderObject {
...

  /// Calling this function is expensive as it can result in O(N^2) behavior.
  ...
  double getMinIntrinsicWidth(double height) {
我找不到更多的信息来说明这是什么时候以及为什么如此昂贵,甚至在大的
O
N
意味着什么。高度(