No one uses collections better than I do! Yes, it's a collection in dart

brief introductionThere are three sets in dart: list, set and map. Dart provides very useful methods for these three collections in the dart:core package. Let's take a look.Use of ListFirst, create a list. You can create an empty list or a list with values:var emptyList =[]; var nameList = ['jack','mac']; Use the constructor of List to create: ...

Posted on Thu, 25 Nov 2021 21:14:24 -0500 by misschristina95

Do you understand assembly? Yes, it's a collection in dart

brief introduction There are three sets in dart: list, set and map. Dart provides very useful methods for these three collections in the dart:core package. Let's take a look. Use of List First, create a list. You can create an empty list or a list with values: var emptyList =[]; var nameList = ['jack','mac']; Use the constructor of ...

Posted on Wed, 24 Nov 2021 18:28:17 -0500 by promixe

Dart series: using numbers and strings in dart

brief introduction The easiest way to become familiar with a language is to become familiar with the various core libraries provided by dart. Dart provides us with several common libraries, including dart:core,dart:async,dart:math,dart:convert,dart:html and dart:io. Today, let's introduce the use of numbers and strings in dart:core. number Dar ...

Posted on Tue, 23 Nov 2021 21:01:16 -0500 by cornix

Dart series: asynchronous programming in dart

brief introductionFriends familiar with javascript should know that the syntax of await and async has been introduced into ES6, which can facilitate asynchronous programming and get rid of the callback hell. As a new language, dart has no reason not to inherit this excellent quality. Naturally, there are await and async languages in dart. Let's ...

Posted on Sun, 21 Nov 2021 04:22:47 -0500 by PoOP

Dart series: functions in dart language

brief introductionFunction is the content of all programming languages. Whether object-oriented or process-oriented, function is a very important part. What is the difference between functions in dart and functions in java?As an object-oriented programming language, dart's Function is also an object, which is represented by Function. Let's firs ...

Posted on Wed, 10 Nov 2021 12:52:45 -0500 by ethosadvisory

★ Dart-4-function and closure

Dart, everything is an object, including a function, which means that you can store the function in a variable and pass the function in the application in the same way as passing String, int, or any other object. This is called first-class functions because they are considered equivalent to other types rather than second-class citizens in th ...

Posted on Thu, 07 Oct 2021 17:09:48 -0400 by Sykoi

Dart learning notes List Set Map details

List Set Map details Properties and methods commonly used in List Common attributes: lengthreversed flip (note that this is an attribute whose value is a string)Is isEmpty emptyIs isNotEmpty not empty Common methods: List.filled(num,value) (static method, create a new list with num values)add adds an array elementaddAll(List) splice arrayi ...

Posted on Wed, 29 Sep 2021 16:58:40 -0400 by omanush