erratic 0.5.0

Handling errors in an efficient way.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

//! Error placeholder for [`Builder`][crate::Builder].
use std::{
    error,
    fmt::{self, Display},
};

/// Not an error, a zero-sized error placeholder for [`Builder`][crate::Builder], also represents
/// the end of source chain in [`Error`][crate::Error]. It is used by [`Builder`][crate::Builder]
/// and will not appear in the iterator returned by [`chain`][crate::Error::chain].
#[derive(Debug)]
pub struct Nae;

impl Display for Nae {
    fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result {
        Ok(())
    }
}

impl error::Error for Nae {}