# failure::bail - Rust
API documentation for the Rust `bail` macro in crate `failure`.
Keywords: rust, rustlang, rust-lang, bail

# 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))

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