dry-configurable 
Links
Supported Ruby versions
This library officially supports the following Ruby versions:
- MRI
>= 2.7.0 - jruby
>= 9.3(postponed until 2.7 is supported)
License
See LICENSE file.
A simple mixin to make Ruby classes configurable
This library officially supports the following Ruby versions:
>= 2.7.0>= 9.3 (postponed until 2.7 is supported)See LICENSE file.
A simple mixin to make Ruby classes configurable
https://dry-rb.org/gems/dry-configurable/
MIT License