Created
August 28, 2022 21:17
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Proof of workingness for https://stackoverflow.com/questions/73519628/dart-give-default-value-to-empty-or-null-string-how-to-do-it-with-less-code
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| void main() { | |
| Message messageNoTitle = Message(message: "stuff"); | |
| print("No title: ${messageNoTitle.displayText}"); | |
| assert(messageNoTitle.message == messageNoTitle.displayText); | |
| Message messageEmptyTitle = Message(message: "this", title: ""); | |
| print("Empty title: ${messageEmptyTitle.displayText}"); | |
| assert(messageEmptyTitle.message == messageEmptyTitle.displayText); | |
| Message messageWithTitle = | |
| Message(message: "A THING IS WORKING", title: "HARK"); | |
| print("With a title: ${messageWithTitle.displayText}"); | |
| assert(messageWithTitle.displayText == messageWithTitle.title); | |
| } | |
| class Message { | |
| String? title; | |
| String message; | |
| Message({required this.message, this.title}); | |
| String get displayText { | |
| return title == null || title!.isEmpty ? message : title!; | |
| } | |
| } |
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