From d0b96ad4fb1ed5b71a87b41ad49806c17478ffdb Mon Sep 17 00:00:00 2001
From: John Fairhurst <johnfairh@gmail.com>
Date: Mon, 10 Feb 2025 11:22:32 +0000
Subject: [PATCH] Stop crashes during exception handling

---
 Sources/RubyGateway/RbError.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Sources/RubyGateway/RbError.swift b/Sources/RubyGateway/RbError.swift
index 230e90c..63bcfa3 100644
--- a/Sources/RubyGateway/RbError.swift
+++ b/Sources/RubyGateway/RbError.swift
@@ -214,7 +214,7 @@ public struct RbException: CustomStringConvertible, Error {
 
     /// The exception's message
     public var description: String {
-        let exceptionClass = try! exception.get("class")
+        let exceptionClass = (try? exception.get("class")) ?? "(Unknown Ruby exception type)"
         return "\(exceptionClass): \(exception)"
     }
 }