r_env

Quickly initialize from the variable to the structure of the rust

reasons

learning and construct some a useful proc macro driver

next step

Make A simpler and clearer, and easier for developers to use

s1. Add test and example

Comprehensive testing and clear usage examples

s2. Implement "from_file"

Read the configuration from the file and initialize the structure

s3. Implement "from_arguments"

Read the configuration from the command line and initialize the structure

addition

hope someone who are destined to provide guidance on this project