Cargo Features

[dependencies]
loader = { version = "0.2.1", default-features = false, features = ["unsize", "fn_traits", "fn_ptr_trait"] }
default = fn_traits, unsize

These default features are set whenever loader is added without default-features = false somewhere in the dependency tree.

unsize default
fn_traits default
fn_ptr_trait

loader has 4 features without comments.