build_const is used at run time in 14 crates (of which 8 optionally). It is a direct run-time dependency in 1 crate. It's used at build time in 244 crates (of which 19 optionally, 1 directly). It's used only as a dev dependency in 10 crates.

Depender (with downloads and own rev deps) build_const version
20K 3 svm-rs-builds ^0.2
othello build ^0.2.1