FunDB

This is a demo repository for interview purposes.

NOTE

• you can only add codes, do NOT delete any existing codes
• the total number of lines you need to add will not exceed 50
• do not worry, you have a whole week to finish the following challenges

Here are the things you need to do:

0. understand what these codes are used for
   • please share your understanding with me in our follow-up interview
1. implement all todo!() in the codebase(stay relaxed, they are all very simple)

   src/helper.rs:155:        todo!()
   src/helper.rs:164:        todo!()
   src/helper.rs:173:        todo!()
   src/helper.rs:182:        todo!()
   src/helper.rs:191:        todo!()
   src/helper.rs:200:        todo!()
   src/helper.rs:209:        todo!()
   src/helper.rs:218:        todo!()
   src/helper.rs:228:    todo!()
   src/helper.rs:233:    todo!()
   src/helper.rs:238:    todo!()
   src/mapx/backend.rs:125:        todo!()
   src/mapx/backend.rs:180:        todo!()
   src/mapx/backend.rs:190:        todo!()
   src/mapx/backend.rs:215:        todo!()
   src/mapx/mod.rs:165:        todo!()
   src/vecx/backend.rs:113:        todo!()
   src/vecx/mod.rs:134:        todo!()
   src/vecx/mod.rs:166:        todo!()
   src/vecx/mod.rs:185:        todo!()
   

2. make all the following commands succeed
   • cargo clippy
   • cargo clippy --features=debug_env
   • cargo test
   • cargo test --features=debug_env

When you finish all these tasks, create a PR to this repository, I will check your changes from the PR.