onlyerror 0.1.5

Obsessively tiny error derive macro
Documentation 
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#![allow(dead_code)]

#[derive(Debug, onlyerror::Error)]
enum Error {
    /// First
    First,
    #[error("Second with {0}")]
    Second(usize),
    #[error("Third with {key} and {value:?}")]
    Third { key: String, value: Vec<usize> },
}

fn main() {}