Posts Tagged generic

C++ For C# Developers: Part 49 – Ranges and Parallel Algorithms

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Generic algorithms have been available in C++ for decades, but the last two versions of the language have really ramped up the functionality. C++17 added support for parallel execution of generic algorithms to easily take advantage of multi-core CPUs. Then C++20 added support for ranges, a composable version of generic algorithms that’s even closer to LINQ in C#. Today we’ll explore both of these!

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C++ For C# Developers: Part 48 – Algorithms Library

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The C++ Standard Library’s algorithms are culmination of a lot of C++ language and library features. They’re like a much more featureful, much faster version of LINQ in C#. This powerful combination makes most “raw” loops unnecessary as they can be replaced by named function calls that are well-tested and often compile to the same machine code as a “raw” loop. Read on to learn about them!

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C++ For C# Developers: Part 40 – Utilities Library

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Today we’ll continue to explore the C++ Standard Library by delving into its utility classes and functions. These extremely common tools provide us with basics like std::tuple whose C# equivalent is so essential it’s built right into the language.

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C++ For C# Developers: Part 34 – Fold Expressions and Elaborated Type Specifiers

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Today we’ll cover a couple of more minor features that don’t have C# equivalents: fold expressions and elaborated type specifiers. Though they are small, they can be quite useful!

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C++ For C# Developers: Part 30 – Type Aliases

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C# has support for type aliases in the form of using ScoreMap = System.Collections.Generic.Dictionary<string, int>; directives. This allows us to use ScoreMap instead of the verbose System.Collections.Generic.Dictionary<string, int> or even Dictionary<string, int>. C++ also has type aliases, but they go way beyond what C# supports. Today we’ll dig into everything C++ offers us to make our code more concise and readable.

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C++ For C# Developers: Part 29 – Template Constraints

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C# where constraints enable our generics to do a lot more. C++ also has constraints and they enable us to write more expressive and efficient code. Today we’ll see how to add some constraints to our templates to achieve these goals.

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C++ For C# Developers: Part 28 – Variadic Templates

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All of the templates we’ve written so far had a fixed number of parameters, but C++ lets us take a variable number of parameters too. This is like params in C# functions, but for parameters to C++ templates. Today we’ll dig into this feature, which has no C# equivalent, and learn how to write and use templates with any number of parameters.

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C++ For C# Developers: Part 27 – Template Deduction and Specialization

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Template deduction in C++ is like generic type parameter deduction in C#: it allows us to omit template arguments. Template specialization has no C# equivalent, but enables special-casing of templates based on certain arguments. Today we’ll look at how these features can make our code a lot less noisy and also a lot more efficient.

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C++ For C# Developers: Part 26 – Template Parameters

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Last time, we started looking at a core feature of C++: templates. We compared and contrasted them to C# generics and saw how they’re applied to classes, functions, lambdas, and even variables. Today we’ll leverage the power of so-called “non-type template parameters” and “template template parameters” to write some really interesting code.

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LINQ-Style Generic Algorithms for Burst

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We’ve seen how to create powerful, Burst-compatible generic algorithms already, but today we’ll take another approach to generic algorithms and implement them in the style of C#’s LINQ. Along the way, we’ll tackle a new challenge by implementing a generic algorithm that allocates a new collection.

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