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#[macro_export] #[cfg(debug_assertions)] #[cfg(test)] macro_rules! debug_println { ($s:expr, $($tt:tt)*) => ({ }) } #[macro_export] #[cfg(debug_assertions)] #[cfg(not(test))] macro_rules! debug_println { ($($arg:tt)*) => ({ use cortex_m_semihosting::hprintln; hprintln!($($arg)*).unwrap(); }); } #[macro_export] #[cfg(not(debug_assertions))] macro_rules! debug_println { ($s:expr, $($tt:tt)*) => ({ }) }