hasNaN property
Whether any of the dimensions are NaN
.
Implementation
bool get hasNaN => left.isNaN || top.isNaN || right.isNaN || bottom.isNaN ||
trRadiusX.isNaN || trRadiusY.isNaN || tlRadiusX.isNaN || tlRadiusY.isNaN ||
brRadiusX.isNaN || brRadiusY.isNaN || blRadiusX.isNaN || blRadiusY.isNaN;