toString method

@override String toString()

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() {
  var elements = [
    for (var i = 0; i < indices.length; i++) '${indices[i] + 1}:${values[i]}'
  ].join(',');
  return '{$elements}/$dimensions';
}