From ace046624d2e23fba67564a86af7f03ed8a48eae Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Thu, 29 Feb 2024 21:05:10 -0500
Subject: remove unwraps, fix utf8

---
 matrix-lang/src/value/exception.rs | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

(limited to 'matrix-lang/src/value/exception.rs')

diff --git a/matrix-lang/src/value/exception.rs b/matrix-lang/src/value/exception.rs
index 0df6f5c..c4ae606 100644
--- a/matrix-lang/src/value/exception.rs
+++ b/matrix-lang/src/value/exception.rs
@@ -1,4 +1,4 @@
-use std::{fmt::{Debug, Display}, error::Error};
+use std::{fmt::{Debug, Display}, error::Error, io};
 use crate::prelude::*;
 
 #[macro_export]
@@ -76,3 +76,24 @@ impl<T> From<Exception> for Result<T> {
         Err(value)
     }
 }
+
+impl From<io::Error> for Exception {
+    fn from(value: io::Error) -> Self {
+        exception!(IO_EXCEPTION, "{value}")
+    }
+}
+
+pub trait Except {
+    type Output;
+    fn exception(self) -> Result<Self::Output>;
+}
+
+impl<T, E: std::error::Error> Except for std::result::Result<T, E> {
+    type Output = T;
+
+    fn exception(self) -> Result<Self::Output> {
+        self.map_err(|e| {
+            Exception::msg("unknown", format!("{e}").as_str())
+        })
+    }
+}
-- 
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