last method

String? last({ int n = 1, })

Returns the last n characters of the string.

n is optional, by default it returns the first character of the string.

If n provided is longer than the string's length, the string will be returned.

Faster than using

substring(length-n,length)

Example 1

String foo = 'hello world';
String firstChars = foo.last(); // returns 'd'

Example 2

String foo = 'hello world';
bool firstChars = foo.last(3); // returns 'rld'

Implementation

String? last({int n = 1}) {
  if (this == null) return null;
  if (this!.isEmpty) return this;
  if (this!.length < n) return this;
  return this!.substring(this!.length - n, this!.length);
}