Try serde_path_to_error for LSP InitializeParams

Author: lnicola

Cargo.lock

@@ -28,6 +28,7 @@ oorandom = "11.1.2"
 rustc-hash = "1.1.0"
 serde = { version = "1.0.106", features = ["derive"] }
 serde_json = { version = "1.0.48", features = ["preserve_order"] }
+serde_path_to_error = "0.1"
 threadpool = "1.7.1"
 rayon = "1.5"
 mimalloc = { version = "0.1.19", default-features = false, optional = true }

crates/rust-analyzer/Cargo.toml

@@ -46,7 +46,7 @@ pub type Error = Box<dyn std::error::Error + Send + Sync>;
 pub type Result<T, E = Error> = std::result::Result<T, E>;
 
 pub fn from_json<T: DeserializeOwned>(what: &'static str, json: serde_json::Value) -> Result<T> {
-    let res = T::deserialize(&json)
+    let res = serde_path_to_error::deserialize(&json)
         .map_err(|e| format!("Failed to deserialize {}: {}; {}", what, e, json))?;
     Ok(res)
 }