Function format_error

pub fn format_error(
    err: &dyn Error,
    name: Option<&str>,
    backtrace: Option<&Backtrace>,
) -> String

Helper function for formatting an error as a string containing a human-readable chain of causes.

This function will walk over the chain of causes returned by Error::source and append each underlying error (using the Display trait).

Arguments

• err - Error to format.
• name - Optional name of the error type/variant (e.g., EventError::InvalidBodyJson).
• backtrace - Optional Backtrace indicating where the top-level error occurred.