Module prelude 

Traits and macros used by most projects. Add use snafu::prelude::* to your code to quickly get started with SNAFU.

Re-exports

pub use crate::OptionExt as _;

pub use crate::ResultExt as _;

pub use crate::futures::TryFutureExt as _;futures

pub use crate::futures::TryStreamExt as _;futures

Macros

ensure

Ensure a condition is true. If it is not, return from the function with an error.

ensure_whateveralloc

Ensure a condition is true. If it is not, return a stringly-typed error message.

whateveralloc

Instantiate and return a stringly-typed error message.

Derive Macros

Snafu

The Snafu macro is the entrypoint to defining your own error types. It is designed to require little configuration for the recommended and typical usecases while still offering flexibility for unique situations.