Crate anyhow_auto_context

anyhow-auto-context

Automatic context for anyhow errors based on scope and location.

Usage

With Option

use anyhow_auto_context::auto_context;

fn main() -> anyhow::Result<()> {
    let expected_some = None;
    auto_context!(expected_some)
}

$ cargo run --example option
Error: expected_some in option::main at examples/option.rs:6:5

With Result

use anyhow::Result;
use anyhow_auto_context::auto_context;

fn main() -> Result<()> {
    auto_context!(foo())
}

fn foo() -> Result<()> {
    auto_context!(bar())
}

fn bar() -> Result<()> {
    anyhow::bail!("my error")
}

$ cargo run --example result
Error: foo() in result::main at examples/result.rs:6:5

Caused by:
    0: bar() in result::foo at examples/result.rs:10:5
    1: my error

Contributing

• please run .pre-commit.sh before sending a PR, it will check everything

License

This project is licensed under the MIT license.

Macros

• auto_context
  Adds automatic anyhow context based on scope and location