BuildOp constructor
- {Map<
String, String> defaultStyles(- BuildMetadata meta
 
 - bool isBlockElement,
 - void onChild(
- BuildMetadata childMeta
 
 - Iterable<
BuiltPiece> onPieces(- BuildMetadata meta,
 - Iterable<
BuiltPiece> pieces 
 - Iterable<
Widget> onWidgets(- BuildMetadata meta,
 - Iterable<
WidgetPlaceholder> widgets 
 - int priority: 10}
 
Creates a build op.
Implementation
BuildOp({
  this.defaultStyles,
  bool isBlockElement,
  this.onChild,
  this.onPieces,
  this.onWidgets,
  this.priority = 10,
}) : isBlockElement = isBlockElement ?? onWidgets != null;