Cargo Features

[dependencies]
safer-ffi-gen = { version = "0.9.2", default-features = false, features = ["std", "headers"] }
default = std

The std feature is set by default whenever safer-ffi-gen is added without default-features = false somewhere in the dependency tree.

std default headers?

Enables std of once_cell and safer-ffi

once_cell:

Enables once_cell::sync module.

headers = std

Enables headers of safer-ffi

safer-ffi-gen has 3 features without comments.