mirror of
https://github.com/react/react-native.git
synced 2026-11-06 22:09:10 +08:00
Hedger Wang
222594cb44
Summary: When mutation of a stack happens, we'd like to compute the diff of the stacks (before and after) so that we can know which routes are removed in the new stack. This diff adds a new method `substract` which does what we need.