Macro failure::bail [−] [src]

macro_rules! bail {
    ($e:expr) => { ... };
    ($fmt:expr, $($arg:tt)+) => { ... };
}

Exits a function early with an Error.

The bail! macro provides an easy way to exit a function. bail!(X) is equivalent to writing:

ⓘThis example is not tested
return Err(format_err!(X))