Cargo Features

inout has no features set by default.

inout = { version = "0.2.0-pre.4", features = ["std"] }

Enables std of block-padding

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

block-padding std?

Affects errors::PadError, reserved::PaddedInOutBuf