Cargo Features

[dependencies]
panicking = { version = "0.5.0", default-features = false, features = ["abort", "std"] }
default = std

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

abort

enable to link the library with the (unstable) panic_abort standard crate, and make panicking always return false.

std default

disable to make the library #![no_std].