toDouble method
Converts a String
todouble
if possible.
If conversion fails, null
is returned.
Example
String foo = '4';
int fooInt = foo.toDouble(); // returns 4.0;
String foo = '4f';
var fooNull = foo.toDouble(); // returns null;
Implementation
double? toDouble() {
if (this.isBlank) {
return null;
}
return double.tryParse(this);
}