perf: Awards::parse use as_i64() and Vec::with_capacity to avoid allocs

Author: Algorithm5838

src/utils.rs

@@ -525,22 +525,16 @@ impl std::fmt::Display for Awards {
 impl Awards {
 	/// Convert Reddit awards JSON to Awards struct
 	pub fn parse(items: &Value) -> Self {
-		let parsed = items.as_array().unwrap_or(&Vec::new()).iter().fold(Vec::new(), |mut awards, item| {
-			let name = item["name"].as_str().unwrap_or_default().to_string();
-			let icon_url = format_url(item["resized_icons"][0]["url"].as_str().unwrap_or_default());
-			let description = item["description"].as_str().unwrap_or_default().to_string();
-			let count: i64 = i64::from_str(&item["count"].to_string()).unwrap_or(1);
-
-			awards.push(Award {
-				name,
-				icon_url,
-				description,
-				count,
+		let arr = items.as_array().map(|v| v.as_slice()).unwrap_or_default();
+		let mut parsed = Vec::with_capacity(arr.len());
+		for item in arr {
+			parsed.push(Award {
+				name: item["name"].as_str().unwrap_or_default().to_string(),
+				icon_url: format_url(item["resized_icons"][0]["url"].as_str().unwrap_or_default()),
+				description: item["description"].as_str().unwrap_or_default().to_string(),
+				count: item["count"].as_i64().unwrap_or(1),
 			});
-
-			awards
-		});
-
+		}
 		Self(parsed)
 	}
 }