Optional is used at run time in 27 crates (of which 1 optionally). It is a direct run-time dependency in 13 crates.

Number of dependers Optional version Downloads/month
26 0.5.0 9.9K
1 0.0.12 20
Depender (with downloads and own rev deps) Optional version
4.7K sre-engine ^0.5
1.3K 3 rustpython-vm ^0.5.0
1.3K 1 rustpython-sre_engine ^0.5
250 1 earley-omnitool ^0.5
5 gearley ^0.5
lox ^0.5
1 sounding-base ^0.5.0
sounding-validate ^0.5.0
sounding-wyoming-text-list ^0.5.0
3 sounding-analysis ^0.5.0
1 sounding-bufkit ^0.5.0
pre-rfc3243-libtw2-net ^0.0.12
6 metfor optional ^0.5.0