Cargo Features

getrandom has no features set by default.

[dependencies]
getrandom = { version = "0.3.0-rc.0", features = ["std", "rustc-dep-of-std"] }
std

Implement std::error::Error for getrandom::Error and use std to retrieve OS error descriptions

rustc-dep-of-std = compiler_builtins, core

Unstable feature to support being a libstd dependency

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.

compiler_builtins rustc-dep-of-std?

Enables compiler_builtins

When built as part of libstd

core rustc-dep-of-std?

Enables rustc-std-workspace-core