pub(crate) fn add_err<E>(&mut self, err: E) -> &mut Self
    where
        E: Into<Error>,
    {
        self.0 = Some(self.err_combined_with(err));
        self
    }
/// Adds the given error to this builder
///
/// If this builder already contains an error, it is combined with the given
/// one
Adds the given error to this builder
If this builder already contains an error, it is combined with the given
one
Adds the given error to this builder If this builder already contains an error it is combined with the given one
pub(crate) fn add_err<E>(&mut self, err: E) -> &mut Self
    where
        E: Into<Error>,
    {
        self.0 = Some(self.err_combined_with(err));
        self
    }
pub ( crate ) fn add_err < E > ( & mut self , err : E ) -> & mut Self where E : Into < Error > , { self . 0 = Some ( self . err_combined_with ( err ) ) ; self }
Adds the given error to this builder
If this builder already contains an error, it is combined with the given
one
Adds the given error to this builder If this builder already contains an error it is combined with the given one
&mut self
err
E
&mut self
err
E