Macro rustc_feature::builtin_attrs::or_default
source · macro_rules! or_default { ($default:expr,) => { ... }; ($default:expr, $next:expr) => { ... }; }
Expand description
A convenience macro to deal with $($expr)?
.
macro_rules! or_default { ($default:expr,) => { ... }; ($default:expr, $next:expr) => { ... }; }
A convenience macro to deal with $($expr)?
.