Cargo Features

[dependencies]
noop-allocator = { version = "0.1.1", default-features = false, features = ["std", "alloc"] }
default = std

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

std default = alloc
alloc std

Affects noop-allocator::owning_ref, noop-allocator::owning_slice