Improve InputValue#toString

packages/flutter/lib/src/painting/text_editing.dart

@@ -66,6 +66,7 @@ class TextRange {
     end.hashCode
   );
 
+  String toString() => 'TextRange(start: $start, end: $end)';
 }
 
 /// A range of text that represents a selection.

packages/flutter/lib/src/widgets/editable.dart

@@ -101,7 +101,7 @@ class InputValue {
 
   static const InputValue empty = const InputValue();
 
-  String toString() => '$runtimeType(text: $text, selection: $selection, composing: $composing)';
+  String toString() => '$runtimeType(text: \u2524$text\u251C, selection: $selection, composing: $composing)';
 
   bool operator ==(dynamic other) {
     if (identical(this, other))
@@ -207,11 +207,10 @@ class RawInputLineState extends ScrollableState<RawInputLine> {
   void didUpdateConfig(RawInputLine oldConfig) {
     if (_keyboardClient.inputValue != config.value) {
       _keyboardClient.inputValue = config.value;
-      if (_isAttachedToKeyboard) {
+      if (_isAttachedToKeyboard)
         _keyboardHandle.setEditingState(_keyboardClient.editingState);
     }
   }
-  }
 
   bool get _isAttachedToKeyboard => _keyboardHandle != null && _keyboardHandle.attached;