It's used at build time in 22 crates (of which 19 optionally, 1 directly).

Number of dependers foundationdb-gen version Downloads/month
15 0.9.2 13K
0 0.9.0 628K
6 0.8.0 100
1 0.7.0 29
Depender (with downloads and own rev deps) foundationdb-gen version
641K 12 foundationdb build ^0.9.2