merge method
Implementation
Box merge(Iterable<Box?> boxes) {
var merged = this;
for (var box in boxes) {
merged = merged.copyWith(
color: box?.color,
height: box?.height,
width: box?.width,
padding: box?.padding,
border: box?.border,
borderRadius: box?.borderRadius,
borderColor: box?.borderColor,
decoration: box?.decoration,
textColor: box?.textColor,
textWeight: box?.textWeight,
textSize: box?.textSize,
textStyle: box?.textStyle,
);
}
return merged;
}