Cargo Features

[dependencies]
out = { version = "8.0.0", default-features = false, features = ["std", "alloc"] }
default = std

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

std default = alloc
alloc std

Affects out::iter, slice::max_by_cached_key, slice::min_by_cached_key