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#![allow(unused_macros)] macro_rules! log { ($($tt:tt)*) => { #[cfg(feature = "logging")] { $($tt)* } } } macro_rules! debug { ($($tt:tt)*) => { log!(log::debug!($($tt)*)) } } macro_rules! trace { ($($tt:tt)*) => { log!(log::trace!($($tt)*)) } }