Macro utils_results::errbang[−][src]

macro_rules! errbang {
    ($kind : ty $(, $format_str : expr $(, $val : expr) *) ?) => { ... };
}

Expand description

make some error. Master Result::Err()

errbang!(err::MyError1);
errbang!(err::MyError2, "cannot find.");
errbang!(err::MyError3, "{} is {}", "bar", 2);