mapSymbols constant
Map between units and its symbol
Implementation
static const Map<AREA, String?> mapSymbols = {
AREA.squareMeters: 'm²',
AREA.squareCentimeters: 'cm²',
AREA.squareInches: 'in²',
AREA.squareFeet: 'ft²',
AREA.squareFeetUs: 'ft² (US survey)',
AREA.squareMiles: 'mi²',
AREA.squareYard: 'yd²',
AREA.squareMillimeters: 'mm²',
AREA.squareKilometers: 'km²',
AREA.hectares: 'ha',
AREA.acres: 'ac',
AREA.are: 'a',
};