toString method Null safety

  1. @override
String toString()
override

A string representation of this object.

Some classes have a default textual representation, often paired with a static parse function (like int.parse). These classes will provide the textual representation as their string representation.

Other classes have no meaningful textual representation that a program will care about. Such classes will typically override toString to provide useful information when inspecting the object, mainly for debugging or logging.

Implementation

@override
String toString() {
  final List<String> properties = <String>[
    'scrollOffset: $scrollOffset',
    'crossAxisOffset: $crossAxisOffset',
    'mainAxisExtent: $mainAxisExtent',
    'crossAxisExtent: $crossAxisExtent',
  ];
  return 'SliverGridGeometry(${properties.join(', ')})';
}