//! Macros that do run-time safety checks. These can be disabled, but this increases
//! the risk of unsafe behavior.
//!
/// `assert!` that is exists only if `"no-slow-safety-checks"` feature is not enabled.
/// `assert_eq!` that is exists only if `"no-slow-safety-checks"` feature is not enabled.
/// `assert_ne!` that is exists only if `"no-slow-safety-checks"` feature is not enabled.