mapDbl static method

double? mapDbl(
  1. Map map,
  2. dynamic key, {
  3. double? defaultValue,
})

Returns a value from mapVal as a double if it is numeric

Implementation

static double? mapDbl(Map map, dynamic key, {double? defaultValue})
{
  dynamic value = mapVal(map,key,defaultValue: defaultValue);
  if (isNumber(value))
       value = S.toDouble(value);
  else value = defaultValue;
  return value;
}