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macro_rules! endptlog { ($logger:expr, $($arg:tt)*) => {{ if cfg!(feature = "endpoint_logging") { let w = $logger.line_writer(); let _ = writeln!(w, $($arg)*); } }}; } macro_rules! log { ($logger:expr, $($arg:tt)*) => {{ let _ = writeln!($logger.line_writer(), $($arg)*); }}; }