Structs§
- Possible
Origin 🔒Visitor  - Collect possible borrowed for every 
&mutlocal. For example,_1 = &mut _2generate _1: {_2,…} Known Problems: not sure all borrowed are tracked 
&mut local.
For example, _1 = &mut _2 generate _1: {_2,…}
Known Problems: not sure all borrowed are tracked