Remove redundant scopes

src/config/file_lines.rs

@@ -156,20 +156,18 @@ fn normalize_ranges(ranges: &mut HashMap<FileName, Vec<Range>>) {
     for ranges in ranges.values_mut() {
         ranges.sort();
         let mut result = vec![];
-        {
-            let mut iter = ranges.iter_mut().peekable();
-            while let Some(next) = iter.next() {
-                let mut next = *next;
-                while let Some(&&mut peek) = iter.peek() {
-                    if let Some(merged) = next.merge(peek) {
-                        iter.next().unwrap();
-                        next = merged;
-                    } else {
-                        break;
-                    }
+        let mut iter = ranges.iter_mut().peekable();
+        while let Some(next) = iter.next() {
+            let mut next = *next;
+            while let Some(&&mut peek) = iter.peek() {
+                if let Some(merged) = next.merge(peek) {
+                    iter.next().unwrap();
+                    next = merged;
+                } else {
+                    break;
                 }
-                result.push(next)
             }
+            result.push(next)
         }
         *ranges = result;
     }

src/config/mod.rs

@@ -257,16 +257,14 @@ impl Config {
         let parsed: ::toml::Value = toml
             .parse()
             .map_err(|e| format!("Could not parse TOML: {}", e))?;
-        let mut err: String = String::new();
-        {
-            let table = parsed
-                .as_table()
-                .ok_or(String::from("Parsed config was not table"))?;
-            for key in table.keys() {
-                if !Config::is_valid_name(key) {
-                    let msg = &format!("Warning: Unknown configuration option `{}`\n", key);
-                    err.push_str(msg)
-                }
+        let mut err = String::new();
+        let table = parsed
+            .as_table()
+            .ok_or(String::from("Parsed config was not table"))?;
+        for key in table.keys() {
+            if !Config::is_valid_name(key) {
+                let msg = &format!("Warning: Unknown configuration option `{}`\n", key);
+                err.push_str(msg)
             }
         }
         match parsed.try_into() {

src/formatting.rs

@@ -48,11 +48,7 @@ impl<'b, T: Write + 'b> Session<'b, T> {
             let format_result = format_project(input, config, self);
 
             format_result.map(|report| {
-                {
-                    let new_errors = &report.internal.borrow().1;
-
-                    self.errors.add(new_errors);
-                }
+                self.errors.add(&report.internal.borrow().1);
                 report
             })
         })