feat: implement serialize for report

eyre/Cargo.toml

@@ -17,11 +17,13 @@ default = ["anyhow", "auto-install", "track-caller"]
 anyhow = []
 auto-install = []
 track-caller = []
+serialize = ["dep:serde"]
 
 [dependencies]
 indenter = { workspace = true }
 once_cell = { workspace = true }
 pyo3 = { version = "0.20", optional = true, default-features = false }
+serde = { version = "1.0.198", optional = true }
 
 [dev-dependencies]
 futures = { version = "0.3", default-features = false }

eyre/src/error.rs

@@ -909,5 +909,8 @@ impl AsRef<dyn StdError> for Report {
     }
 }
 
+#[cfg(feature = "serialize")]
+mod serialize;
+
 #[cfg(feature = "pyo3")]
 mod pyo3_compat;

eyre/src/error/serialize.rs

@@ -0,0 +1,11 @@
+use crate::Report;
+use serde::{ser::Serializer, Serialize};
+
+impl Serialize for Report {
+    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        serializer.serialize_str(self.to_string().as_ref())
+    }
+}