toString method
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 s = 'Filter(type=0x${_filterType.toRadixString(16)}';
if (_attributeName != null) s += ',attributeName=$_attributeName';
if (_assertionValue != null) s += ',value=$_assertionValue,';
s += _subFilters.toString();
s += ')';
return s;
}