Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Tips and Traps¶

1. The YAML specification does not forbid duplicated keys.

2. serde-yaml ignores duplicated keys except the last one silently, by default. To overwrite this behavior, you have to define your own struct and use the tag serde_with::rust::maps_duplicate_key_is_error

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Comments¶

1. The serde_yaml crate is the best tool for parsing YAML in Rust.

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Comments¶

There are a few crates yansi, termcolor, colored, and ansi_term in Rust which can help print colorful text in terminal. Yansi is recommended as it is dead simple and the project is active.

Hands on yansi¶

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Get Information of the Current User¶

user.Current() returns information of the current (real) user. If the code is run by a non-root user named some_user on Linux, then information of some_user is returned. However, if some_user has sudo