From 0790c84b59907ee5fe2dfc5a4d51d593098a281c Mon Sep 17 00:00:00 2001
From: Botahamec <botahamec@outlook.com>
Date: Sat, 22 Oct 2022 22:04:21 -0400
Subject: From impls and Send+Sync

---
 src/unexpected.rs | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/unexpected.rs b/src/unexpected.rs
index 6e5548b..496c6c9 100644
--- a/src/unexpected.rs
+++ b/src/unexpected.rs
@@ -6,15 +6,15 @@ use alloc::boxed::Box;
 #[cfg(feature = "std")]
 use std::error::Error;
 
-pub trait Errorable: Display + Debug {}
-impl<T: Display + Debug> Errorable for T {}
+pub trait Errorable: Display + Debug + Send + Sync {}
+impl<T: Display + Debug + Send + Sync + ?Sized> Errorable for T {}
 
 #[derive(Debug)]
 #[non_exhaustive]
 enum ErrorTy {
 	Message(Box<dyn Errorable + 'static>),
 	#[cfg(feature = "std")]
-	Error(Box<dyn Error + 'static>),
+	Error(Box<dyn Error + Send + Sync + 'static>),
 }
 
 #[derive(Debug)]
@@ -43,10 +43,23 @@ impl Error for UnexpectedError {
 	}
 }
 
+impl From<&str> for UnexpectedError {
+	fn from(s: &str) -> Self {
+		String::from(s).into()
+	}
+}
+
+impl From<String> for UnexpectedError {
+	fn from(s: String) -> Self {
+		Self::msg(s)
+	}
+}
+
 impl UnexpectedError {
 	/// Create a new `UnexpectedError` from any [`Error`] type.
 	///
-	/// The error must be `'static` so that the `UnexpectedError` will be too.
+	/// The error must be thread-safe and `'static` so that the
+	/// `UnexpectedError` will be too.
 	///
 	/// # Examples
 	///
@@ -58,7 +71,7 @@ impl UnexpectedError {
 	/// let err = UnexpectedError::new(core::fmt::Error);
 	/// ```
 	#[cfg(feature = "std")]
-	pub fn new<E: Error + 'static>(e: E) -> Self {
+	pub fn new<E: Error + Send + Sync + 'static>(e: E) -> Self {
 		Self {
 			internal: ErrorTy::Error(Box::new(e)),
 		}
-- 
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