Cargo Features

[dependencies]
wire-rs = { version = "0.2.1", default-features = false, features = ["std", "ioslice"] }
default = std

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

std default ioslice?
ioslice = std

Affects reader::VectoredBuf, writer::VectoredBufMut