orDefault method

String orDefault(
  1. String fallback
)

Returns this string, or fallback if null or empty.

null.orDefault('guest') // 'guest'
''.orDefault('guest')   // 'guest'
'john'.orDefault('guest') // 'john'

Implementation

String orDefault(String fallback) =>
    (this == null || this!.isEmpty) ? fallback : this!;