Use Box to reduce enum size

Author: dhruvkb

src/config/man.rs

@@ -108,6 +108,6 @@ impl ConfMan {
 			}
 		}
 
-		fig.extract().map_err(Exc::Conf)
+		fig.extract().map_err(|e| Exc::Conf(Box::new(e)))
 	}
 }

src/exc.rs

@@ -6,10 +6,11 @@ pub enum Exc {
 	/// wraps all occurrences of errors in I/O operations
 	Io(std::io::Error),
 	/// wraps all occurrences of errors in SVG operations
-	Svg(resvg::usvg::Error),
-	Conf(figment::Error),
+	Svg(Box<resvg::usvg::Error>),
+	/// wraps all occurrences of errors in configuration loading
+	Conf(Box<figment::Error>),
 	/// wraps exceptions from the `xterm-query` crate
-	Xterm(xterm_query::XQError),
+	Xterm(Box<xterm_query::XQError>),
 	/// wraps all other errors
 	Other(String),
 }

src/gfx/kitty.rs

@@ -149,7 +149,7 @@ where
 /// * `timeout_ms` - the timeout in milliseconds
 fn query_raw(query: &str, timeout_ms: u64) -> Result<String, Exc> {
 	enable_raw_mode().map_err(Exc::Io)?;
-	let res = xterm_query::query_osc(query, timeout_ms).map_err(Exc::Xterm);
+	let res = xterm_query::query_osc(query, timeout_ms).map_err(|e| Exc::Xterm(Box::new(e)));
 	disable_raw_mode().map_err(Exc::Io)?;
 
 	res

src/gfx/svg.rs

@@ -53,7 +53,7 @@ fn compute_rgba(path: &Path, size: u8) -> Result<Vec<u8>, Exc> {
 
 	// Create a default options struct with the target dimensions
 	let opt = Options::default();
-	let rtree = Tree::from_str(&svg_data, &opt).map_err(Exc::Svg)?;
+	let rtree = Tree::from_str(&svg_data, &opt).map_err(|e| Exc::Svg(Box::new(e)))?;
 
 	// Create a pixmap with the desired dimensions
 	let mut pixmap =