macro_rules! pr_warn {
($($arg:tt)*) => { ... };
}Expand description
Prints a warning-level message (level 4).
Use this level for warning conditions.
Equivalent to the kernel’s pr_warn macro.
Mimics the interface of std::print!. See core::fmt and
std::format! for information about the formatting syntax.
§Examples
pr_warn!("hello {}\n", "there");