hayro-jpeg2000 0.3.5

A memory-safe, pure-Rust JPEG 2000 decoder.
Documentation 
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//! Logging macros that optionally forward to the `log` crate.

macro_rules! debug {
    ($fmt:literal $(, $($arg:expr),* $(,)?)?) => {{
        #[cfg(feature = "logging")]
        {
            ::log::debug!($fmt $(, $($arg),*)?);
        }
        #[cfg(not(feature = "logging"))]
        {
            $($(let _ = &$arg;)*)?
        }
    }};
}

macro_rules! trace {
    ($fmt:literal $(, $($arg:expr),* $(,)?)?) => {{
        #[cfg(feature = "logging")]
        {
            ::log::trace!($fmt $(, $($arg),*)?);
        }
        #[cfg(not(feature = "logging"))]
        {
            $($(let _ = &$arg;)*)?
        }
    }};
}

macro_rules! warn {
    ($fmt:literal $(, $($arg:expr),* $(,)?)?) => {{
        #[cfg(feature = "logging")]
        {
            ::log::warn!($fmt $(, $($arg),*)?);
        }
        #[cfg(not(feature = "logging"))]
        {
            $($(let _ = &$arg;)*)?
        }
    }};
}