VerticalDivider constructor Null safety
Creates a Material Design vertical divider.
The width, thickness, indent, and endIndent must be null or non-negative.
Implementation
const VerticalDivider({
super.key,
this.width,
this.thickness,
this.indent,
this.endIndent,
this.color,
}) : assert(width == null || width >= 0.0),
assert(thickness == null || thickness >= 0.0),
assert(indent == null || indent >= 0.0),
assert(endIndent == null || endIndent >= 0.0);