float_next_after is used at run time in 84 crates (of which 15 optionally, 4 directly). It's used only as a dev dependency in 12 crates (3 directly).

Depender (with downloads and own rev deps) float_next_after version
27K 15 lyon_tessellation ^0.1.5
4.7K 12 spade dev ^0.1
1.3K 2 srgb dev ^0.1
330 3 geo-booleanop ^0.1
110 fast_ode ^0.1.5
geo-repair-polygon ^0.1.5
ordbog dev ^0.1.5