Former is used at run time in 20 crates (of which 4 optionally). It is a direct run-time dependency in 5 crates. It's used only as a dev dependency in 39 crates.

Depender (with downloads and own rev deps) Former version
700 1 woptions ~0.1
700 1 woptions_runtime ~0.1
430 2 strs_tools ~0.1
390 3 wca ~0.1
850 5 meta_tools optional ~0.1