VariantCount is used at run time in 213 crates (of which 2 optionally). It is a direct run-time dependency in 9 crates. It's used only as a dev dependency in 15 crates (of which 3 directly).

Depender (with downloads and own rev deps) VariantCount version
550 6 fluence-it-types ^1.1
4 marktwin ^1.1.0
1 mcircuit ^1.1
irename ^1.1.0
1 hookmap-core ^1.1.0
44 mv-binary-format ^1.1.0
1 deutsche-bahn-delay-reasons ^1
1 macro-machines 1.*
edsm-dumps-model ^1.1.0
1.6K 4 field_types dev ^1.0
pr47 dev ^1
lb-rs dev ^1.1.0