joinNonNull method

String joinNonNull([
  1. String separator = ''
])

Joins the non-null elements into a string with the given separator.

Example:

Iterable<int?>? numbers = [1, 2, 3, null];
print(numbers.joinNonNull('-'));  // Output: 1-2-3

Implementation

String joinNonNull([String separator = '']) => validate().join(separator);