Macro debug_print_expand

macro_rules! debug_print_expand {
    ($scope:expr, $format:expr, $($args:expr),*) => { ... };
    ($format:literal, $($args:expr,)*) => { ... };
}

Print a formatted message using the target’s debug print facilities. The format string is target specific, but Vulkan and CUDA both use the C++ conventions. WGSL isn’t currently supported.