errorhandling.rs - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

pub(crate) fn panic_message(e: Box<dyn std::any::Any + Send>) -> String {

    return e

        .downcast_ref::<&str>()

        .map(|s| s.to_string())

        .or_else(|| e.downcast_ref::<String>().cloned())

        // Handle errors that come up when joining the thread

        .unwrap_or_else(|| "unknown panic".to_string());