Macro vipers::format_err

macro_rules! format_err {
    ($err: expr) => { ... };
}

Expand description

Formats an error as a &str.

Example

#[error_code]
pub enum ErrorCode {
  #[msg("This is my error")]
  MyError
}
assert_eq!(format_err!(ErrorCode::MyError), "MyError: This is my error");