FractionColumnWidth constructor
Creates a column width based on a fraction of the table's constraints' maxWidth.
The value argument must not be null.
Implementation
const FractionColumnWidth(this.value) : assert(value != null);Creates a column width based on a fraction of the table's constraints' maxWidth.
The value argument must not be null.
const FractionColumnWidth(this.value) : assert(value != null);