as the power of asynchronous programming with an intuitive imperative flow. In this Kotlin Tutorial, we learned what a Kotlin with function is, and how to use this to create a scope (with-block) for an object (receiver) and access its members and functions. Kotlin Server and Client Framework for microservices, HTTP APIs, and RESTful. Cross-service examples are sample applications. Scenarios are code examples that show you how to accomplish a specific task by calling multiple functions within the same service. Actions are code excerpts that show you how to call individual service functions. ![]() Now, let us return length of the receiver object str from the with-block. The code examples in this topic show you how to use the AWS SDK for Kotlin with AWS. In the following example, we will return lowercase value of the String from with-block. I faced some problems when trying to convert this Kotlin code to. Just place the return value as the last statement in the with-block. For example, we can use generics to create a method that would add 2 numbers of. Output Hello World! Return Value from With-Block Kotlin code may be compiled to JavaScript, allowing for interoperability between code written in the two languages. Contracts are inspired by Eiffel's design by contract programming paradigm. ![]() To access receiver itself in the with-block, use this keyword. Kotlin 1.3 added support for contracts, which are stable for the standard library declarations, but still experimental for user-defined declarations. Inside the with-block, we have accessed length property and called uppercase() function of the receiver object str, with actually referencing the object str again like str.length or str.uppercase(). In the following example, we will pass a String value for receiver object to with() and access the properties and functions of the String in the block. The codelabs in this series are: 2.1 Creating Custom Views 2.2 Drawing on Canvas Objects 2.3 Clipping Canvas Objects 2.4 Creating Effects with Shaders Introduction In Android, you have several techniques available for implementing custom 2D graphics and animations in views.
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