third_party/rust_crates/vendor/const-oid/src/macros.rs

//! Macro definitions

/// Constant panicking assertion.
// TODO(tarcieri): use const panic when stable.
// See: https://github.com/rust-lang/rust/issues/51999
macro_rules! const_assert {
    ($bool:expr, $msg:expr) => {
        [$msg][!$bool as usize]
    };
}