parseDouble static method
Parse to double
@param value @return
Implementation
static double? parseDouble(dynamic value) {
double? parsed;
if (value == null) {
return null;
}
if (value is double) {
return value;
}
if (value is int) {
parsed = value.toDouble();
}
if (value is String) {
parsed = double.tryParse(value);
}
return parsed;
}