Replace get(..).unwrap() with indexing

src/location.rs

@@ -11,13 +11,7 @@ pub enum Location {
 impl Location {
     pub fn addr(&self, symbol_tables: &SymbolTables) -> u32 {
         match self {
-            Self::Symbol((table, sym)) => symbol_tables
-                .get(table)
-                .unwrap()
-                .symbols
-                .get(sym)
-                .unwrap()
-                .value(),
+            Self::Symbol((table, sym)) => symbol_tables[table].symbols[sym].value(),
             Self::Address(addr) => *addr,
         }
     }

src/main.rs

@@ -604,7 +604,7 @@ fn breakpoint_set_at(
             table
                 .breakpoints
                 .iter()
-                .map(|sym| table.symbols.get(sym).unwrap())
+                .map(|sym| &table.symbols[sym])
                 .any(|sym| sym.value() == addr)
         })
 }