m_lexer is used at run time in 3 crates (of which 1 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 3 crates.

Depender (with downloads and own rev deps) m_lexer version
1.6K 1 debian-watch ^0.0.4
tom ^0.0.4
227K 54 rowan dev ^0.0.4
200 2 rslint_rowan dev ^0.0.4
150 cstree dev ^0.0.4