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))