Cargo Features

parse-size has no features set by default.

[dependencies]
parse-size = { version = "1.0.0", features = ["std"] }
std

The std feature is provided if you need parse_size::Error to implement std::error::Error. This feature will become no-op once the Error trait is moved into libcore (https://github.com/rust-lang/rust/issues/53487) or the type core::num::IntErrorKind is stabilized.