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What is Soundness in Dart? In languages like Dart, C++, Kotlin, Swift etc, the type of expression is known at compile-time and we are calling it a static type. These languages are also called statically typed languages. Soundness means ensuring your program does not get into certain invalid states. A sound system makes sure that…

Intro to generics in Dart. — We will discuss the below topics in two parts: Intro to Generics for creating generic classes and functions. How does it fit in the Dart type system (you can read it as Subtyping in Dart if you are coming from the Java world)? In this, we will solely focus on 1. Generics are often used for primarily two purposes: …

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Concurrency in Action This article handles a scenario where there is an async function called foo() and it calls another async function bar() multiple times and awaits on it. Now what we want is if I call foo() multiple times then each foo() execution should take place one after the…

async, future, await and completer in dart. Future Dart has a type Future which is a promise to return a value of a certain type later. Future<int> countTheStars(); Future itself is generic and can provide any type. If you call this function then it will immediately return a Future<int>. This future…

An introduction to concurrency in dart and in general. If you are coming from a world of the language of parallel processes or threads like Java/C++/Kotlin etc then at the start it might be difficult to wrap your head around JS/Dart single-threaded approach. You might have heard that Javascript and…

Public/private cryptography is complex in detail but simple in outline. This article is an outline that will prep you to deep dive further if you want to. How it works at a high level: Alice wants to receive a secret message from Bob. Alice has two keys, a public, and a private key. The public key as…

Finally, we got the confirmation that the Apple spring event 2022 has been confirmed for 8th March 2022. Products am looking forward to being launched at this event are: Mac mini 2022 For someone with a low budget, the Mac mini is no less than a boon. Be it performance, efficiency…