typed Syntax and improved formatting

src/engine/fetch.rs

@@ -1,6 +1,9 @@
 use std::collections::HashMap;
 
-use pulse_wire::terminal::MarketItem;
+use pulse_wire::{
+    terminal::MarketItem,
+    units::{Symbol, USD},
+};
 use serde_json::Value;
 
 fn number(value: &Value, field: &str) -> Result<f64, String> {
@@ -64,10 +67,10 @@ pub async fn fetch_watch_list(
         by_symbol.insert(
             symbol,
             MarketItem {
-                symbol: symbol.to_owned(),
-                price,
+                symbol: Symbol(symbol.to_owned()),
+                price: USD(price),
+                volume_24h: USD(volume_24h),
                 trend: ((price / previous_day_price) - 1.0) * 100.0,
-                volume_24h,
             },
         );
     }